Skip to main content
Version: 12 Dec 2024

MLMediaFormatNativeBindings.cs

Source code

// %BANNER_BEGIN%
// ---------------------------------------------------------------------
// %COPYRIGHT_BEGIN%
// Copyright (c) (2018-2022) Magic Leap, Inc. All Rights Reserved.
// Use of this file is governed by the Software License Agreement, located here: https://www.magicleap.com/software-license-agreement-ml2
// Terms and conditions applicable to third-party materials accompanying this distribution may also be found in the top-level NOTICE file appearing herein.
// %COPYRIGHT_END%
// ---------------------------------------------------------------------
// %BANNER_END%

using UnityEngine.XR.MagicLeap.Native;

namespace UnityEngine.XR.MagicLeap
{
using System;
using System.Runtime.InteropServices;

public partial class MLMediaFormat
{
private class NativeBindings : MagicLeapNativeBindings
{
public static int MAX_KEY_STRING_SIZE = 64;

public static int MAX_FORMAT_STRING_SIZE = 512;

[StructLayout(LayoutKind.Sequential)]
internal struct MLMediaFormatByteArray
{
public readonly IntPtr Ptr;

public readonly ulong Length;

public MLMediaFormatByteArray(IntPtr ptr, ulong length)
{
this.Ptr = ptr;
this.Length = length;
}
};

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatCreateVideo([MarshalAs(unmanagedType: UnmanagedType.LPStr)] string mimeType, int Width, int Height, out ulong outHandle);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatCreateAudio([MarshalAs(unmanagedType: UnmanagedType.LPStr)] string MimeType, int SampleRate, int ChannelCount, out ulong outHandle);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatCreateSubtitle([MarshalAs(unmanagedType: UnmanagedType.LPStr)] string MimeType, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string Language, out ulong outHandle);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatCreate(out ulong outHandle);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatCreateCopy(ulong handle, out ulong outHandle);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatDestroy(ulong handle);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatObjectToString(ulong handle, IntPtr outString);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatGetKeyValueInt32(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, out int outKey);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatGetKeyValueInt64(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, out long outKey);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatGetKeyValueFloat(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, out float outKey);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatGetKeySize(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, out ulong outSize);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatGetKeyString(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, IntPtr outString);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatGetKeyByteBuffer(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, out MLMediaFormatByteArray OutBuffer);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatKeyByteBufferRelease(ulong handle, ref MLMediaFormatByteArray buffer);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatSetKeyInt32(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, int keyValue);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatSetKeyInt64(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, long keyValue);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatSetKeyFloat(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, float keyValue);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatSetKeySize(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, ulong keySize);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatSetKeyString(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string KeyValue);

[DllImport(MLMediaFormatDll, CallingConvention = CallingConvention.Cdecl)]
public static extern MLResult.Code MLMediaFormatSetKeyByteBuffer(ulong handle, [MarshalAs(unmanagedType: UnmanagedType.LPStr)] string name, ref MLMediaFormatByteArray Buffer);
}
}
}