feat: add ffmpeg plugin and update plugin interface to support temporary directories and context-dependent metrics

src/identifier.rs

@@ -1,11 +1,37 @@
+// Copyright (C) 2026 Elias Wendland <eliaswendland@pm.me>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3 exclusively.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 use std::path::Path;
 
 pub fn identify_format(path: &str) -> Option<&'static str> {
     let p = Path::new(path);
-    let ext = p.extension().and_then(|s| s.to_str()).unwrap_or(path).to_lowercase();
+    let ext = p
+        .extension()
+        .and_then(|s| s.to_str())
+        .unwrap_or(path)
+        .to_lowercase();
     match ext.as_str() {
         "jpg" | "jpeg" => Some("jpeg"),
         "png" => Some("png"),
+        "mp4" => Some("mp4"),
+        "webm" => Some("webm"),
+        "mkv" => Some("mkv"),
+        "avi" => Some("avi"),
+        "mov" => Some("mov"),
+        "wmv" => Some("wmv"),
+        "flv" => Some("flv"),
+        "gif" => Some("gif"),
         _ => None,
     }
 }
@@ -35,7 +61,11 @@ mod tests {
     test_ident!(test_identify_format_10, "test.bmp", None);
     test_ident!(test_identify_format_11, "file.JPEG", Some("jpeg"));
     test_ident!(test_identify_format_12, "file.PNG", Some("png"));
-    test_ident!(test_identify_format_13, "complex.file.name.jpg", Some("jpeg"));
+    test_ident!(
+        test_identify_format_13,
+        "complex.file.name.jpg",
+        Some("jpeg")
+    );
     test_ident!(test_identify_format_14, ".hidden.png", Some("png"));
     test_ident!(test_identify_format_15, "jpg", Some("jpeg")); // "jpg" passed without dot, treats as ext if no dot in path but path is "jpg", ext becomes "jpg"
     test_ident!(test_identify_format_16, "a.jpg.txt", None);