fix: made threads and niceness also optional.

src/configuration/ffmpeg.rs

@@ -14,8 +14,8 @@ impl ConfigFFmpeg {
             audio_codec: self.output.audio.codec.clone(),
             audio_bitrate: if self.output.audio.bitrate > 0 { Some(self.output.audio.bitrate) } else { None },
 
-            threads: if self.process.threads > 0 { Some(self.process.threads) } else { None },
-            niceness: if self.process.niceness > 0 { Some(self.process.niceness) } else { None },
+            threads: if self.process.threads.unwrap_or(0) > 0 { Some(self.process.threads.unwrap_or(0)) } else { None },
+            niceness: if self.process.niceness.unwrap_or(0) > 0 { Some(self.process.niceness.unwrap_or(0)) } else { None },
         }
     }
 }

src/configuration/mod.rs

@@ -44,8 +44,8 @@ pub struct ConfigFiles {
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ConfigFFmpegProcess {
-    pub threads: u8,
-    pub niceness: u8,
+    pub threads: Option<u8>,
+    pub niceness: Option<u8>,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -106,8 +106,8 @@ impl Config {
             ffmpeg: ConfigFFmpeg {
                 path: String::from("/usr/bin/ffmpeg"),
                 process: ConfigFFmpegProcess {
-                    threads: 0,
-                    niceness: 0,
+                    threads: Some(0),
+                    niceness: Some(0),
                 },
                 output: ConfigFFmpegOutput {
                     format: String::from("webm"),
@@ -134,7 +134,7 @@ impl Config {
             }
         }
     }
-    
+
     pub fn is_debug(&self) -> bool {
         match self.debug {
             Some(debug) => debug,

src/main.rs

@@ -44,8 +44,8 @@ fn main() {
 
         info!("Processing file {}.", job.input);
         let mut child = job.run(&config.ffmpeg).unwrap();
-        if (config.ffmpeg.process.niceness > 0) {
-            renice(child.id(), config.ffmpeg.process.niceness)
+        if (config.ffmpeg.process.niceness.unwrap_or(0)) > 0 {
+            renice(child.id(), config.ffmpeg.process.niceness.unwrap_or(0))
                 .expect("Failed to renice process.");
         }
         child.wait().expect("Failed to wait for process.");