chore: move flexible video capture

New options that allow fine grain control of how to capture a video.

src/python/boytacean/gb.py

@@ -95,14 +95,15 @@ This is a [Game Boy](https://en.wikipedia.org/wiki/Game_Boy) emulator built usin
 
     def video(
         self,
-        display=True,
+        save=True,
+        display=False,
     ) -> Any:
         from IPython.display import display as _display
 
         if self._video == None:
             raise RuntimeError("Not capturing a video")
 
-        video = self._video.build()
+        video = self._video.build(save=save)
         if display:
             _display(video)
         return video
@@ -175,6 +176,9 @@ This is a [Game Boy](https://en.wikipedia.org/wiki/Game_Boy) emulator built usin
         video_name="output",
         fps=5,
         frame_format="png",
+        video=True,
+        save=False,
+        display=True,
     ):
         self._start_capture(
             video_format=video_format,
@@ -185,11 +189,10 @@ This is a [Game Boy](https://en.wikipedia.org/wiki/Game_Boy) emulator built usin
         )
         try:
             yield
+            if video:
+                self.video(save=save, display=display)
         finally:
-            try:
-                self.video()
-            finally:
-                self._stop_capture()
+            self._stop_capture()
 
     def _on_next_frame(self):
         if self._video != None and self._video.should_capture(self._frame_index):

src/python/boytacean/video.py

+from os import remove
 from glob import glob
 from math import ceil
-from shutil import rmtree
+from shutil import move, rmtree
 from typing import Any, Sequence, Union
 from tempfile import mkdtemp
 
+from os.path import exists, join
+
 from PIL.Image import Image
 
 from .boytacean import (
@@ -13,9 +16,9 @@ from .boytacean import (
 )
 
 FORMATS = {
-    "mp4": ["avc1", "mp4", "h264", "hev1"],
+    "mp4": ["avc1", "hev1"],
     "webm": ["vp8", "vp9"],
-    "mkv": ["avc1", "mp4", "h264", "hev1"],
+    "mkv": ["avc1", "h264", "hev1"],
 }
 
 
@@ -69,9 +72,9 @@ class VideoCapture:
     def save_frame(self, frame: Image, frame_index: int):
         frame.save(self.frame_path(frame_index), format=self.frame_format)
 
-    def build(self) -> Any:
+    def build(self, save=False) -> Any:
         from cv2 import VideoWriter, VideoWriter_fourcc, imread
-        from IPython.display import Video
+        from IPython.display import Video, FileLink
 
         if not self._capture_temp_dir:
             raise RuntimeError("Not capturing a video")
@@ -93,6 +96,12 @@ class VideoCapture:
         finally:
             encoder.release()
 
+        if save:
+            if exists(self.video_filename):
+                remove(self.video_filename)
+            move(video_path, ".")
+            video_path = join(".", self.video_filename)
+
         return Video(video_path, embed=True, html_attributes="controls loop autoplay")
 
     @property