Update app.py

app.py

@@ -9,7 +9,7 @@ FRAME1 = Path("demo/frame1.png")
 FRAME2 = Path("demo/frame2.png")
 
 TARGET_DIR = "/home/user/app/output/"     # absolute path that inference writes to
-PALETTE_PNG = Path("/home/user/app/palette.png")
+PALETTE_PNG = Path("/home/user/app/output/palette.png")
 OUTPUT_GIF= Path("/home/user/app/output/output.gif")
 OUTPUT_GIF_DIR= Path("/home/user/app/output")
 
@@ -29,14 +29,15 @@ def interpolate_image(img_a_path: str, img_b_path: str) -> tuple[str, str]:
         "ffmpeg", "-y", "-r", "14", "-f", "image2",
         "-i", f"{TARGET_DIR}img%d.png",
         "-vf", "palettegen=stats_mode=single",
-        PALETTE_PNG
+        "-frames:v", "1",                  # <- critical: write exactly one image
+        "/home/user/app/output/palette.png"
     ], check=True)
 
     # 3) Generate final GIF using palette
     subprocess.run([
         "ffmpeg", "-y", "-r", "14", "-f", "image2",
         "-i", f"{TARGET_DIR}img%d.png",
-        "-i", PALETTE_PNG,
+        "-i", "/home/user/app/output/palette.png",
         "-lavfi", "paletteuse",
         OUTPUT_GIF
     ], check=True)