diff --git a/src/decode/cmds.rs b/src/decode/cmds.rs
index e851ce1..23c73a6 100644
--- a/src/decode/cmds.rs
+++ b/src/decode/cmds.rs
@@ -1,11 +1,11 @@
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
 use std::error::Error;
 
 use crate::util;
 use crate::decode::codecs::Decoder;
 use crate::decode::codecs;
 
-pub fn spawn(metadata: Arc<util::Metadata>) -> Result<(impl Decoder, impl Decoder), Box<dyn Error>> {
+pub fn spawn(metadata: Arc<util::Metadata>) -> Result<(impl Decoder + Clone + Send + 'static, impl Decoder + Clone + Send + 'static), Box<dyn Error>> {
     let v = match metadata.video.codec {
         Some(util::VideoCodec::H264) => codecs::video::new_h264(metadata.clone())?,
         _ => {return Err(Box::new(util::DecoderError::CodecNotImplemented));}
@@ -14,5 +14,5 @@ pub fn spawn(metadata: Arc<util::Metadata>) -> Result<(impl Decoder, impl Decode
         Some(util::AudioCodec::AAC) => codecs::audio::new_aac(metadata)?,
         _ => {return Err(Box::new(util::DecoderError::CodecNotImplemented));}
     };
-    return Ok((v, a));
+    return Ok((Arc::new(Mutex::new(v)), Arc::new(Mutex::new(a))));
 }
diff --git a/src/decode/mod.rs b/src/decode/mod.rs
index 1b92f8c..69f6f42 100644
--- a/src/decode/mod.rs
+++ b/src/decode/mod.rs
@@ -1,7 +1,7 @@
 mod cmds;
 mod codecs;
 
-use std::sync::{mpsc, Arc};
+use std::sync::{mpsc, Arc, Mutex};
 use std::error::Error;
 use std::thread;
 
@@ -31,11 +31,19 @@ pub fn spawn(
 fn spawn_threads(
     v: mpsc::Receiver<util::NALUPacket>,
     raw_v_in: mpsc::Sender<util::RawMedia>,
-    v_decoder: impl Decoder,
+    v_decoder: impl Decoder + Clone + Send + 'static,
     a: mpsc::Receiver<util::NALUPacket>,
     raw_a_in: mpsc::Sender<util::RawMedia>,
-    a_decoder: impl Decoder,
+    a_decoder: impl Decoder + Clone + Send + 'static,
     err_in: mpsc::Sender<Box<dyn Error + Send + Sync>>
 ) {
-    todo!();
+    let err_clone = err_in.clone();
+    let tmp_v = v_decoder.clone();
+    let tmp_a = a_decoder.clone();
+    thread::spawn(move || {
+        tmp_v.write_loop(v, err_clone);
+    });
+    thread::spawn(move || {
+        tmp_a.write_loop(a, err_in);
+    });
 }