audio codec/encoding

crates/lib/media/src/decode_basic_audio_info.rs

@@ -7,6 +7,7 @@ use symphonia::core::probe::Hint;
 
 pub struct BasicAudioInfo {
   pub duration_millis: Option<u64>,
+  pub codec_name: Option<String>,
 }
 
 pub fn decode_basic_audio_info(
@@ -55,7 +56,16 @@ pub fn decode_basic_audio_info(
         duration_millis + frac_millis
       });
 
+  let codec_registry = symphonia::default::get_codecs();
+
+  let maybe_codec_name = format.default_track()
+      .map(|track| track.codec_params.codec)
+      .map(|codec_type| codec_registry.get_codec(codec_type))
+      .flatten()
+      .map(|codec_descriptor| codec_descriptor.short_name.to_string());
+
   Ok(BasicAudioInfo {
     duration_millis: maybe_track_duration,
+    codec_name: maybe_codec_name,
   })
 }

crates/service/web/storyteller_web/src/http_server/endpoints/media_uploads/upload_audio.rs

@@ -166,6 +166,7 @@ pub async fn upload_audio_handler(
   };
 
   let mut maybe_duration_millis = None;
+  let mut maybe_codec_name = None;
 
   if let Some(mimetype) = maybe_mimetype.as_deref() {
     match mimetype {
@@ -215,6 +216,7 @@ pub async fn upload_audio_handler(
             })?;
 
         maybe_duration_millis = basic_info.duration_millis;
+        maybe_codec_name = basic_info.codec_name;
       }
       _ => {}
     }
@@ -228,7 +230,7 @@ pub async fn upload_audio_handler(
     original_file_size_bytes: 0,
     maybe_original_duration_millis: maybe_duration_millis,
     maybe_original_mime_type: maybe_mimetype,
-    maybe_original_audio_encoding: None,
+    maybe_original_audio_encoding: maybe_codec_name.as_deref(),
     maybe_original_video_encoding: None,
     maybe_original_frame_width: None,
     maybe_original_frame_height: None,