[detectors] Implement Koala-36M

Work in progress. #441

Author: Breakthrough

scenedetect/_cli/__init__.py

@@ -42,6 +42,7 @@
     ContentDetector,
     HashDetector,
     HistogramDetector,
+    KoalaDetector,
     ThresholdDetector,
 )
 from scenedetect.platform import get_cv2_imwrite_params, get_system_version_info
@@ -1577,3 +1578,16 @@ def save_qp_command(
 scenedetect.add_command(list_scenes_command)
 scenedetect.add_command(save_images_command)
 scenedetect.add_command(split_video_command)
+
+
+@click.command("detect-koala", cls=Command, help="""WIP""")
+@click.pass_context
+def detect_koala_command(
+    ctx: click.Context,
+):
+    ctx = ctx.obj
+    assert isinstance(ctx, CliContext)
+    ctx.add_detector(KoalaDetector, {"min_scene_len": None})
+
+
+scenedetect.add_command(detect_koala_command)

scenedetect/detectors/__init__.py

@@ -40,6 +40,7 @@
 from scenedetect.detectors.adaptive_detector import AdaptiveDetector
 from scenedetect.detectors.hash_detector import HashDetector
 from scenedetect.detectors.histogram_detector import HistogramDetector
+from scenedetect.detectors.koala_detector import KoalaDetector
 
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 #                                                                             #

tests/test_detectors.py

@@ -29,6 +29,7 @@
     ContentDetector,
     HashDetector,
     HistogramDetector,
+    KoalaDetector,
     ThresholdDetector,
 )
 
@@ -37,6 +38,7 @@
     ContentDetector,
     HashDetector,
     HistogramDetector,
+    KoalaDetector,
 )
 
 ALL_DETECTORS: ty.Tuple[ty.Type[SceneDetector]] = (*FAST_CUT_DETECTORS, ThresholdDetector)