diff --git a/src/encode/codecs/audio.rs b/src/encode/codecs/audio.rs
index 5c2bcef..6b4293a 100644
--- a/src/encode/codecs/audio.rs
+++ b/src/encode/codecs/audio.rs
@@ -1,6 +1,7 @@
 use std::error::Error;
 use std::process::{Child, Command, Stdio, ChildStdin, ChildStdout};
 use std::sync::Arc;
+use std::fs::File;
 
 use crate::util;
 use crate::encode::codecs::Encoder;
@@ -12,6 +13,18 @@ pub struct OpusEncoder {
 impl Encoder for OpusEncoder {}
 
 pub fn new_opus(metadata: Arc<util::Metadata>) -> Result<OpusEncoder, Box<dyn Error>> {
-    todo!();
+    let f = File::create("dump.opus")?;
+    let channels = metadata.audio.channels.to_string();
+    let samplerate = metadata.audio.samplerate.to_string();
+    let cmd = Command::new("opusenc")
+        .args([
+            "--quiet",
+            "--raw",
+            "--raw-bits", "16",
+            "--raw-rate", samplerate.as_str(),
+            "--raw-chan", channels.as_str(),
+            "--raw-endianness", "1"
+        ]).stdin(Stdio::piped()).stdout(f).spawn()?;
+    return Ok(OpusEncoder {cmd: cmd});
 }
 
diff --git a/src/encode/codecs/video.rs b/src/encode/codecs/video.rs
index 183efa6..c9fcd7a 100644
--- a/src/encode/codecs/video.rs
+++ b/src/encode/codecs/video.rs
@@ -1,6 +1,7 @@
 use std::error::Error;
 use std::process::{Child, Command, Stdio, ChildStdin, ChildStdout};
 use std::sync::Arc;
+use std::fs::File;
 
 use crate::util;
 use crate::encode::codecs::Encoder;
@@ -12,5 +13,20 @@ pub struct VP9Encoder {
 impl Encoder for VP9Encoder {}
 
 pub fn new_vp9(metadata: Arc<util::Metadata>) -> Result<VP9Encoder, Box<dyn Error>> {
-    todo!();
+    let f = File::create("dump.av1")?;
+    let width = metadata.video.width.to_string();
+    let height = metadata.video.height.to_string();
+    let fps_num = ((metadata.video.framerate * 1000.0) as u32).to_string();
+    let cmd = Command::new("SvtAv1EncApp")
+        .args([
+            "--errlog", "/dev/null",
+            "--progress", "0",
+            "-w", width.as_str(),
+            "-h", height.as_str(),
+            "--fps-num", fps_num.as_str(),
+            "--preset", "12",
+            "-i", "-",
+            "-b", "-"
+        ]).stdin(Stdio::piped()).stdout(f).spawn()?;
+    return Ok(VP9Encoder {cmd: cmd});
 }