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Reapply "Fix memory leak in decode_webp (#8712)" (#8723) #8724

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4 changes: 3 additions & 1 deletion torchvision/csrc/io/image/cpu/decode_webp.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -44,10 +44,12 @@ torch::Tensor decode_webp(

auto decoded_data =
decoding_func(encoded_data_p, encoded_data_size, &width, &height);

TORCH_CHECK(decoded_data != nullptr, "WebPDecodeRGB[A] failed.");

auto deleter = [decoded_data](void*) { WebPFree(decoded_data); };
auto out = torch::from_blob(
decoded_data, {height, width, num_channels}, torch::kUInt8);
decoded_data, {height, width, num_channels}, deleter, torch::kUInt8);

return out.permute({2, 0, 1});
}
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