fix: image thumbnails of audio (size query arg collision)

src/previews/audio.rs

@@ -20,8 +20,8 @@ impl<'a> Previewable for AudioPath<'a> {
             .get("color")
             .map(String::to_owned)
             .unwrap_or_else(|| COLOR.into());
-        let size = options
-            .get("size")
+        let dimensions = options
+            .get("dimensions")
             .map(String::to_owned)
             .unwrap_or_else(|| "860x256".into());
 
@@ -31,7 +31,7 @@ impl<'a> Previewable for AudioPath<'a> {
                 "-filter_complex",
                 &format!(
                     "[0:a]aformat=channel_layouts=mono, compand=gain=-2,
-                     showwavespic=s={size}:colors={color},
+                     showwavespic=s={dimensions}:colors={color},
                      drawbox=x=(iw-w)/2:y=(ih-h)/2:w=iw:h=1:color={color}"
                 ),
             ])