Use log crate for logging instead of println

src/video.rs

@@ -3,6 +3,7 @@ use std::path::Path;
 use std::process::{Child, Command, ExitStatus, Stdio};
 
 use actix::prelude::*;
+use log::{debug, trace};
 
 // ffmpeg -i test.mp4 -c:v h264 -flags +cgop -g 30 -hls_time 3 out.m3u8
 // ffmpeg -i "filename.mp4" -preset veryfast -c:v libx264 -f hls -hls_list_size 100 -hls_time 2 -crf 24 -vf scale=1080:-2,setsar=1:1 attempt/vid_out.m3u8
@@ -23,11 +24,11 @@ impl Handler<ProcessMessage> for StreamActor {
     type Result = Result<ExitStatus>;
 
     fn handle(&mut self, msg: ProcessMessage, _ctx: &mut Self::Context) -> Self::Result {
-        println!("Message received");
+        trace!("Message received");
         let mut process = msg.1;
         let result = process.wait();
 
-        println!(
+        debug!(
             "Finished waiting for: {:?}. Code: {:?}",
             msg.0,
             result
@@ -40,7 +41,7 @@ impl Handler<ProcessMessage> for StreamActor {
 
 pub fn create_playlist(video_path: &str, playlist_file: &str) -> Result<Child> {
     if Path::new(playlist_file).exists() {
-        println!("Playlist already exists: {}", playlist_file);
+        debug!("Playlist already exists: {}", playlist_file);
         return Err(std::io::Error::from(std::io::ErrorKind::AlreadyExists));
     }