Add file

Author: NicolasHug

torchvision/io/_video_deprecation_warning.py

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+import warnings
+
+def _raise_video_deprecation_warning():
+    warnings.warn(UserWarning, 
+    "The video decoding and encoding capabilities of torchvision "
+    "are deprecated from version 0.22 and will be removed in version 0.24. "
+    "We recommend that you migrate to TorchCodec, where we'll consolidate "
+    "the future decoding/encoding capabilities of PyTorch: "
+    "https://github.com/pytorch/torchcodec"
+)