Actually add new file

Author: scotts

src/torchcodec/transforms/_decoder_native_transforms.py

@@ -0,0 +1,36 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+from dataclasses import dataclass
+from abc import ABC, abstractmethod
+from typing import Sequence
+
+
+@dataclass
+class DecoderNativeTransform(ABC):
+    """TODO: docstring"""
+    @abstractmethod
+    def make_params(self) -> str:
+        pass
+
+
+@dataclass
+class Resize(DecoderNativeTransform):
+    """
+    TODO. One benefit of having parallel definitions is that it gives us a place
+          to put documentation about what behavior we do and do not support. For
+          example, we don't yet have fields for `interpolation` and `antialias`
+          because we don't allow users to control those yet in decoder-native
+          transforms.
+    """
+
+    # Also note that this type is more restrictive than what TorchVision
+    # accepts, but it accurately reflects current decoder-native transform
+    # limitations.
+    size: Sequence[int]
+
+    def make_params(self) -> str:
+        return f"resize, {self.size[0]}, {self.size[1]}"