1 files changed, 27 insertions, 0 deletions
diff --git a/remuxer/src/codec_param/mod.rs b/remuxer/src/codec_param/mod.rs
new file mode 100644
index 0000000..8c0b6b7
--- /dev/null
+++ b/remuxer/src/codec_param/mod.rs
@@ -0,0 +1,27 @@
+/*
+    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
+    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
+    Copyright (C) 2026 metamuffin <metamuffin.org>
+*/
+
+use crate::codec_param::{av1::av1_codec_param, hevc::hevc_codec_param};
+use winter_matroska::TrackEntry;
+
+mod av1;
+mod hevc;
+
+pub fn codec_param(te: &TrackEntry) -> String {
+    let cp = te.codec_private.as_ref().unwrap();
+    match te.codec_id.as_str() {
+        "A_AAC" => format!("mp4a.40.2"), // TODO
+        "A_FLAC" => "flac".to_string(),
+        "A_OPUS" => "opus".to_string(),
+        "A_VORBIS" => "vorbis".to_string(),
+
+        "V_AV1" => av1_codec_param(cp),
+        "V_MPEG4/ISO/AVC" => format!("avc1.{:02x}{:02x}{:02x}", cp[1], cp[2], cp[3]),
+        "V_MPEGH/ISO/HEVC" => hevc_codec_param(cp),
+
+        x => todo!("{x:?}"),
+    }
+}