diff --git a/encode_video.py b/encode_video.py
index 6731f76..aa5b310 100755
--- a/encode_video.py
+++ b/encode_video.py
@@ -16,10 +16,11 @@ def get_duration(file_path):
 
 def encode(input_file, codec, remove_source=False, save_log=False):
     if codec == "x265":
-        ffmpeg_codec = "libx265"
-        crf = 26
+        ffmpeg_codec = "hevc_nvenc"
+        cq = 32
         folder = "h265"
-        extra_params = ["-crf", str(crf)]
+        extra_params = [
+        ]
 
     elif codec == "x265-amd":
         ffmpeg_codec = "hevc_amf"
@@ -30,7 +31,9 @@ def encode(input_file, codec, remove_source=False, save_log=False):
         ffmpeg_codec = "av1_nvenc"
         cq = 32
         folder = "av1"
-        extra_params = ["-pix_fmt", "yuv420p", "-preset", "p4", "-cq", str(cq), "-rc", "vbr", "-b:v", "0"]
+        extra_params = [
+            "-pix_fmt", "yuv420p",
+        ]
 
     else:
         raise ValueError(f"Unsupported codec: {codec}")
@@ -57,8 +60,11 @@ def encode(input_file, codec, remove_source=False, save_log=False):
         "ffmpeg",
         "-i", input_file,
         "-map", "0",
+        "-cq", str(cq),
     ] + extra_params + [
         "-c:v", ffmpeg_codec,
+        "-rc", "vbr",
+        "-b:v", "0",
         "-c:a", "copy",
         "-c:s", "copy",
         "-y", output_file