fix clippy warning

interceptor/src/nack/generator/mod.rs

@@ -56,11 +56,7 @@ impl InterceptorBuilder for GeneratorBuilder {
         let (close_tx, close_rx) = mpsc::channel(1);
         Ok(Arc::new(Generator {
             internal: Arc::new(GeneratorInternal {
-                log2_size_minus_6: if let Some(log2_size_minus_6) = self.log2_size_minus_6 {
-                    log2_size_minus_6
-                } else {
-                    13 - 6 // 8192 = 1 << 13
-                },
+                log2_size_minus_6: self.log2_size_minus_6.unwrap_or(13 - 6), // 8192 = 1 << 13
                 skip_last_n: self.skip_last_n.unwrap_or_default(),
                 interval: if let Some(interval) = self.interval {
                     interval

interceptor/src/nack/responder/mod.rs

@@ -38,11 +38,7 @@ impl InterceptorBuilder for ResponderBuilder {
     fn build(&self, _id: &str) -> Result<Arc<dyn Interceptor + Send + Sync>> {
         Ok(Arc::new(Responder {
             internal: Arc::new(ResponderInternal {
-                log2_size: if let Some(log2_size) = self.log2_size {
-                    log2_size
-                } else {
-                    13 // 8192 = 1 << 13
-                },
+                log2_size: self.log2_size.unwrap_or(13), // 8192 = 1 << 13
                 streams: Arc::new(Mutex::new(HashMap::new())),
             }),
         }))

rtcp/src/raw_packet.rs

@@ -23,10 +23,7 @@ impl fmt::Display for RawPacket {
 impl Packet for RawPacket {
     /// Header returns the Header associated with this packet.
     fn header(&self) -> Header {
-        match Header::unmarshal(&mut self.0.clone()) {
-            Ok(h) => h,
-            Err(_) => Header::default(),
-        }
+        Header::unmarshal(&mut self.0.clone()).unwrap_or_default()
     }
 
     /// destination_ssrc returns an array of SSRC values that this packet refers to.

turn/src/server/request.rs

@@ -952,11 +952,7 @@ pub(crate) fn rand_seq(n: usize) -> String {
     for b in &mut buf {
         *b = letters[rand::random::<usize>() % letters.len()];
     }
-    if let Ok(s) = String::from_utf8(buf) {
-        s
-    } else {
-        String::new()
-    }
+    String::from_utf8(buf).unwrap_or_default()
 }
 
 pub(crate) fn build_nonce() -> Result<String> {

util/src/vnet/net.rs

@@ -445,10 +445,7 @@ impl Net {
 
             Net::VNet(Arc::new(Mutex::new(vnet)))
         } else {
-            let interfaces = match ifaces::ifaces() {
-                Ok(ifs) => ifs,
-                Err(_) => vec![],
-            };
+            let interfaces = ifaces::ifaces().unwrap_or_default();
 
             let mut m: HashMap<String, Vec<IpNet>> = HashMap::new();
             for iface in interfaces {