diff --git a/src/app.py b/src/app.py
index adbb6d3..72d76ce 100644
--- a/src/app.py
+++ b/src/app.py
@@ -27,7 +27,10 @@ def parse_streams(stream_data: dict, VideoFile: VideoFile) -> VideoFile:
 @click.argument("filename", type=click.Path(exists=True))
 @click.option("-i", "--imdb", type=str, help="IMDB ID")
 @click.option("-ns", "--nosubtitles", is_flag=True, help="No subtitles")
-def main(filename: Path, imdb: str, nosubtitles: bool):
+@click.option("-p", "--preset", type=int, default=2, help="Encoding preset (default: 2)")
+@click.option("-c", "--crf", type=int, default=30, help="CRF value (default: 30)")
+@click.option('-o', '--original-media-type', default='DVD', help='Set the ORIGINAL_MEDIA_TYPE metadata')
+def main(filename: Path, imdb: str, nosubtitles: bool, preset: int, crf: int, original_media_type: str):
     """Run ffprobe on a file and print the output in JSON format."""
     video_details = VideoFile(
         imdb=imdb, video_path=filename, allow_subtitle=not nosubtitles
@@ -46,6 +49,10 @@ def main(filename: Path, imdb: str, nosubtitles: bool):
     ]
     result = subprocess.run(cmd, capture_output=True, check=True)
     data = parse_streams(json.loads(result.stdout), video_details)
+    for stream in data.video_streams:
+        stream.preset = preset
+        stream.crf = crf
+        stream.original_media_type = original_media_type
     export_data = " ".join(data.cmd())
     export_path = Path(filename).parent / "encode.sh"
     write_shell_script(export_data, export_path)
diff --git a/src/models/streams.py b/src/models/streams.py
index 069743b..7028abb 100644
--- a/src/models/streams.py
+++ b/src/models/streams.py
@@ -24,7 +24,9 @@ class VideoStream(BaseModel):
     avg_frame_rate: str = Field(None, alias="avg_frame_rate")
     codec_name: str = Field(None)
     disposition: Disposition
-    tags: Tags
+    tags: Tags | None = Field(None)
+    preset: int = Field(2)
+    crf: int = Field(30)
 
     @cached_property
     def fps(self) -> float:
@@ -38,9 +40,9 @@ class VideoStream(BaseModel):
             "-c:v",
             "libsvtav1",
             "-crf",
-            "30",
+            str(self.crf),
             "-preset",
-            "6",
+            str(self.preset),
             "-svtav1-params",
             "tune=0:film-grain=20:scd=1",
             "-vf",
@@ -56,7 +58,7 @@ class AudioStream(BaseModel):
     sample_fmt: str
     channel_layout: str
     disposition: Disposition
-    tags: Tags
+    tags: Tags | None = Field(None)
 
     def cmd_flags(self, index: int) -> list[str]:
         side_loaded = []
@@ -81,7 +83,7 @@ class SubtitleStream(BaseModel):
     index: int
     codec_name: str
     disposition: Disposition
-    tags: Tags
+    tags: Tags | None = Field(None)
 
     def cmd_flags(self, index: int) -> list[str]:
         return ["-map", f"0:s:{index}", f"-c:s:{index}", "copy"] + [