add ability to hide progress on transcode command

src/args.rs

@@ -52,6 +52,8 @@ pub struct TranscodeCommandArgs {
     pub transcode_config: Option<String>,
     #[clap(long)]
     pub ignore_extension: bool,
+    #[clap(long)]
+    pub hide_progress: bool,
 }
 
 #[derive(Debug, Clone, Args)]

src/commands/transcode.rs

@@ -2,6 +2,7 @@ use std::path::PathBuf;
 use std::process::exit;
 use std::sync::mpsc;
 use std::thread;
+use std::thread::JoinHandle;
 
 use crate::args::CLIArgs;
 use crate::args::TranscodeCommandArgs;
@@ -48,8 +49,11 @@ pub fn transcode_command(
         }
     }
 
-    let (tx, rx): (mpsc::Sender<String>, mpsc::Receiver<String>) = mpsc::channel();
-    let child = thread::spawn(move || loop {
+    let (tx, rx) = mpsc::channel::<String>();
+    let mut child: Option<JoinHandle<()>> = None;
+
+    if !transcode_args.hide_progress {
+        child = Some(thread::spawn(move || loop {
             let progress = rx.recv();
 
             if let Ok(progress_str) = progress {
@@ -57,15 +61,22 @@ pub fn transcode_command(
             } else {
                 break;
             }
-    });
+        }));
+    }
 
     transcode(
         input_file,
         transcode_args.dest.clone(),
         &transcode_config,
-        Some(tx),
+        match transcode_args.hide_progress {
+            true => None,
+            false => Some(tx),
+        },
     )?;
+
+    if let Some(child) = child {
         child.join().expect("oops! the child thread panicked");
+    }
 
     println!("Transcode Finished");