fix: Update conversion service and UI to support MP4 files in conversion process

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "renamer"
-version = "0.7.6"
+version = "0.7.7"
 description = "Terminal-based media file renamer and metadata viewer"
 readme = "README.md"
 requires-python = ">=3.11"

renamer/app.py

@@ -69,7 +69,7 @@ class AppCommandProvider(Provider):
             ("scan", "Scan Directory", "Scan current directory for media files (s)"),
             ("refresh", "Refresh File", "Refresh metadata for selected file (f)"),
             ("rename", "Rename File", "Rename the selected file (r)"),
-            ("convert", "Convert to MKV", "Convert AVI/MPG/MPEG/WebM file to MKV container with metadata (c)"),
+            ("convert", "Convert to MKV", "Convert AVI/MPG/MPEG/WebM/MP4 file to MKV container with metadata (c)"),
             ("delete", "Delete File", "Delete the selected file (d)"),
             ("toggle_mode", "Toggle Display Mode", "Switch between technical and catalog view (m)"),
             ("expand", "Toggle Tree Expansion", "Expand or collapse all tree nodes (p)"),
@@ -390,7 +390,7 @@ By Category:"""
                 self.notify("Proposed name is the same as current name; no rename needed.", severity="information", timeout=3)
 
     async def action_convert(self):
-        """Convert AVI/MPG/MPEG/WebM file to MKV with metadata preservation."""
+        """Convert AVI/MPG/MPEG/WebM/MP4 file to MKV with metadata preservation."""
         tree = self.query_one("#file_tree", Tree)
         node = tree.cursor_node
 
@@ -403,7 +403,7 @@ By Category:"""
 
         # Check if file can be converted
         if not conversion_service.can_convert(file_path):
-            self.notify("Only AVI, MPG, MPEG, and WebM files can be converted to MKV", severity="error", timeout=3)
+            self.notify("Only AVI, MPG, MPEG, WebM, and MP4 files can be converted to MKV", severity="error", timeout=3)
             return
 
         # Create extractor for metadata

renamer/screens.py

@@ -505,10 +505,13 @@ class ConvertConfirmScreen(Screen):
     def on_button_pressed(self, event):
         if event.button.id == "convert_copy":
             self._do_conversion(encode_hevc=False)
+            event.stop()  # Prevent key event from also triggering
         elif event.button.id == "convert_hevc":
             self._do_conversion(encode_hevc=True)
+            event.stop()  # Prevent key event from also triggering
         elif event.button.id == "cancel":
             self.app.pop_screen()  # type: ignore
+            event.stop()  # Prevent key event from also triggering
 
     def _do_conversion(self, encode_hevc: bool):
         """Start conversion with the specified encoding mode."""

renamer/services/conversion_service.py

@@ -1,6 +1,6 @@
 """Conversion service for video to MKV remux with metadata preservation.
 
-This service manages the process of converting AVI/MPG/MPEG/WebM files to MKV container:
+This service manages the process of converting AVI/MPG/MPEG/WebM/MP4 files to MKV container:
 - Fast stream copy (no re-encoding)
 - Audio language detection and mapping from filename
 - Subtitle file detection and inclusion
@@ -24,7 +24,7 @@ class ConversionService:
     """Service for converting video files to MKV with metadata preservation.
 
     This service handles:
-    - Validating video files for conversion (AVI, MPG, MPEG, WebM)
+    - Validating video files for conversion (AVI, MPG, MPEG, WebM, MP4)
     - Detecting nearby subtitle files
     - Mapping audio languages from filename to tracks
     - Building ffmpeg command for fast remux or HEVC encoding
@@ -168,18 +168,18 @@ class ConversionService:
         return ':'.join(base_params + cpu_params)
 
     def can_convert(self, file_path: Path) -> bool:
-        """Check if a file can be converted (is AVI, MPG, MPEG, or WebM).
+        """Check if a file can be converted (is AVI, MPG, MPEG, WebM, or MP4).
 
         Args:
             file_path: Path to the file to check
 
         Returns:
-            True if file is AVI, MPG, MPEG, or WebM and can be converted
+            True if file is AVI, MPG, MPEG, WebM, or MP4 and can be converted
         """
         if not file_path.exists() or not file_path.is_file():
             return False
 
-        return file_path.suffix.lower() in {'.avi', '.mpg', '.mpeg', '.webm'}
+        return file_path.suffix.lower() in {'.avi', '.mpg', '.mpeg', '.webm', '.mp4', '.m4v'}
 
     def find_subtitle_files(self, video_path: Path) -> List[Path]:
         """Find subtitle files near the video file.
@@ -280,7 +280,7 @@ class ConversionService:
         - Sets MKV title from filename
 
         Args:
-            source_path: Source video file (AVI, MPG, MPEG, or WebM)
+            source_path: Source video file (AVI, MPG, MPEG, WebM, or MP4)
             mkv_path: Destination MKV file
             audio_languages: Language codes for each audio track
             subtitle_files: List of subtitle files to include
@@ -361,7 +361,7 @@ class ConversionService:
         """Convert video file to MKV with metadata preservation.
 
         Args:
-            avi_path: Source video file path (AVI, MPG, MPEG, or WebM)
+            avi_path: Source video file path (AVI, MPG, MPEG, WebM, or MP4)
             extractor: Optional MediaExtractor (creates new if None)
             output_path: Optional output path (defaults to same name with .mkv)
             dry_run: If True, build command but don't execute
@@ -382,7 +382,7 @@ class ConversionService:
         """
         # Validate input
         if not self.can_convert(avi_path):
-            error_msg = f"File is not a supported format (AVI/MPG/MPEG/WebM) or doesn't exist: {avi_path}"
+            error_msg = f"File is not a supported format (AVI/MPG/MPEG/WebM/MP4) or doesn't exist: {avi_path}"
             logger.error(error_msg)
             return False, error_msg
 

uv.lock

@@ -462,7 +462,7 @@ wheels = [
 
 [[package]]
 name = "renamer"
-version = "0.7.6"
+version = "0.7.7"
 source = { editable = "." }
 dependencies = [
     { name = "langcodes" },