Change nicing to specify nice level

transcoder/transcode_dvd.py

@@ -12,7 +12,7 @@ RAW_DIR = "raw"
 TRANSCODED_DIR = "transcoded"
 LOGFILE = "transcode.log"
 
-NICE_HANDBRAKE_PROCESS = "True"
+HANDBRAKE_PROCESS_NICE_LEVEL = 10
 HANDBRAKE_PRESET = "General/HQ 1080p30 Surround"
 HANDBRAKE_AUDIO_LANG_LIST = "de,en"
 OUT_VIDEO_FORMAT = ".m4v"
@@ -89,6 +89,9 @@ class Dvd:
 
     def transcode_command_args_without_title_number(self, output_file):
         args = [
+            "nice",
+            "-n",
+            str(HANDBRAKE_PROCESS_NICE_LEVEL),
             "HandBrakeCLI",
             "--preset",
             HANDBRAKE_PRESET,
@@ -100,8 +103,6 @@ class Dvd:
             "--output",
             output_file,
         ]
-        if NICE_HANDBRAKE_PROCESS:
-            args = ["nice"] + args
 
         return args
 
@@ -222,6 +223,9 @@ def find_series_titles(dvd: Dvd):
     with open(dvd.log_file, "w") as log_file:
         proc = subprocess.run(
             [
+                "nice",
+                "-n",
+                str(HANDBRAKE_PROCESS_NICE_LEVEL),
                 "HandBrakeCLI",
                 "--input",
                 dvd.dvd_path,