45 lines
1.0 KiB
C#
45 lines
1.0 KiB
C#
// Copyright (c) 2021 homuler
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//
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using pb = Google.Protobuf;
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namespace Mediapipe
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{
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[StructLayout(LayoutKind.Sequential)]
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internal readonly struct SerializedProtoVector
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{
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private readonly IntPtr _data;
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private readonly int _size;
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public void Dispose()
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{
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UnsafeNativeMethods.mp_api_SerializedProtoArray__delete(_data, _size);
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}
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public List<T> Deserialize<T>(pb::MessageParser<T> parser) where T : pb::IMessage<T>
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{
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var protos = new List<T>(_size);
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unsafe
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{
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var protoPtr = (SerializedProto*)_data;
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for (var i = 0; i < _size; i++)
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{
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var serializedProto = Marshal.PtrToStructure<SerializedProto>((IntPtr)protoPtr++);
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protos.Add(serializedProto.Deserialize(parser));
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}
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}
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return protos;
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}
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}
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}
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