codec parameter string in stream info

1 files changed, 38 insertions, 2 deletions

diff --git a/stream/types/src/lib.rs b/stream/types/src/lib.rs
index d1583e9..433b757 100644
--- a/stream/types/src/lib.rs
+++ b/stream/types/src/lib.rs
@@ -4,7 +4,7 @@
     Copyright (C) 2026 metamuffin <metamuffin.org>
 */
 use serde::{Deserialize, Serialize};
-use std::{collections::BTreeMap, fmt::Display, str::FromStr};
+use std::{collections::BTreeMap, fmt::Display, fmt::Write, str::FromStr};
 
 pub type TrackNum = usize;
 pub type FormatNum = usize;
@@ -92,7 +92,43 @@ pub struct StreamFormatInfo {
     pub bit_depth: Option<u8>,
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)]
+impl std::hash::Hash for StreamFormatInfo {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.codec.hash(state);
+        self.codec_param.hash(state);
+        (self.bitrate as i64).hash(state);
+        self.remux.hash(state);
+        self.containers.hash(state);
+        self.width.hash(state);
+        self.height.hash(state);
+        (self.samplerate.unwrap_or(0.) as i64).hash(state);
+        self.channels.hash(state);
+        self.bit_depth.hash(state);
+    }
+}
+impl StreamFormatInfo {
+    pub fn metadata_str(&self) -> String {
+        let mut o = String::new();
+        if let Some(w) = self.width {
+            write!(o, "w{w}").unwrap();
+        }
+        if let Some(h) = self.height {
+            write!(o, "h{h}").unwrap();
+        }
+        if let Some(r) = self.samplerate {
+            write!(o, "r{r:.02}").unwrap();
+        }
+        if let Some(b) = self.bit_depth {
+            write!(o, "b{b}").unwrap();
+        }
+        if let Some(c) = self.channels {
+            write!(o, "c{c}").unwrap();
+        }
+        o
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize, Hash)]
 #[serde(rename_all = "lowercase")]
 pub enum StreamContainer {
     WebM,