1
0
Fork 0
mirror of https://github.com/Ryujinx/Ryujinx.git synced 2024-12-23 04:02:01 +00:00
Ryujinx/Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFmpegApi.cs
Isaac Marovitz 0fbcd630bc
Replace DllImport usage with LibraryImport (#4084)
* Replace usage of `DllImport` with `LibraryImport`

* Mark methods as `partial`

* Marshalling

* More `partial` & marshalling

* More `partial` and marshalling

* More partial and marshalling

* Update GdiPlusHelper to LibraryImport

* Unicorn

* More Partial

* Marshal

* Specify EntryPoint

* Specify EntryPoint

* Change GlobalMemoryStatusEx to LibraryImport

* Change RegisterClassEx to LibraryImport

* Define EntryPoints

* Update Ryujinx.Ava/Ui/Controls/Win32NativeInterop.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFmpegApi.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Move return mashal

* Remove calling convention specification

* Remove calling conventions

* Update Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx/Modules/Updater/Updater.cs

Co-authored-by: Mary-nyan <thog@protonmail.com>

* Update Ryujinx.Ava/Modules/Updater/Updater.cs

Co-authored-by: Mary-nyan <thog@protonmail.com>

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>
Co-authored-by: Mary-nyan <thog@protonmail.com>
2022-12-15 18:07:31 +01:00

129 lines
4.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
{
static partial class FFmpegApi
{
public const string AvCodecLibraryName = "avcodec";
public const string AvUtilLibraryName = "avutil";
private static readonly Dictionary<string, (int, int)> _librariesWhitelist = new Dictionary<string, (int, int)>
{
{ AvCodecLibraryName, (58, 59) },
{ AvUtilLibraryName, (56, 57) }
};
private static string FormatLibraryNameForCurrentOs(string libraryName, int version)
{
if (OperatingSystem.IsWindows())
{
return $"{libraryName}-{version}.dll";
}
else if (OperatingSystem.IsLinux())
{
return $"lib{libraryName}.so.{version}";
}
else if (OperatingSystem.IsMacOS())
{
return $"lib{libraryName}.{version}.dylib";
}
else
{
throw new NotImplementedException($"Unsupported OS for FFmpeg: {RuntimeInformation.RuntimeIdentifier}");
}
}
private static bool TryLoadWhitelistedLibrary(string libraryName, Assembly assembly, DllImportSearchPath? searchPath, out IntPtr handle)
{
handle = IntPtr.Zero;
if (_librariesWhitelist.TryGetValue(libraryName, out var value))
{
(int minVersion, int maxVersion) = value;
for (int version = maxVersion; version >= minVersion; version--)
{
if (NativeLibrary.TryLoad(FormatLibraryNameForCurrentOs(libraryName, version), assembly, searchPath, out handle))
{
return true;
}
}
}
return false;
}
static FFmpegApi()
{
NativeLibrary.SetDllImportResolver(typeof(FFmpegApi).Assembly, (name, assembly, path) =>
{
IntPtr handle;
if (name == AvUtilLibraryName && TryLoadWhitelistedLibrary(AvUtilLibraryName, assembly, path, out handle))
{
return handle;
}
else if (name == AvCodecLibraryName && TryLoadWhitelistedLibrary(AvCodecLibraryName, assembly, path, out handle))
{
return handle;
}
return IntPtr.Zero;
});
}
public unsafe delegate void av_log_set_callback_callback(void* a0, AVLog level, [MarshalAs(UnmanagedType.LPUTF8Str)] string a2, byte* a3);
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial AVFrame* av_frame_alloc();
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial void av_frame_unref(AVFrame* frame);
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial void av_free(AVFrame* frame);
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial void av_log_set_level(AVLog level);
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial void av_log_set_callback(av_log_set_callback_callback callback);
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial AVLog av_log_get_level();
[LibraryImport(AvUtilLibraryName)]
internal static unsafe partial void av_log_format_line(void* ptr, AVLog level, [MarshalAs(UnmanagedType.LPUTF8Str)] string fmt, byte* vl, byte* line, int lineSize, int* printPrefix);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial AVCodec* avcodec_find_decoder(AVCodecID id);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial AVCodecContext* avcodec_alloc_context3(AVCodec* codec);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial int avcodec_open2(AVCodecContext* avctx, AVCodec* codec, void **options);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial int avcodec_close(AVCodecContext* avctx);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial void avcodec_free_context(AVCodecContext** avctx);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial AVPacket* av_packet_alloc();
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial void av_packet_unref(AVPacket* pkt);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial void av_packet_free(AVPacket** pkt);
[LibraryImport(AvCodecLibraryName)]
internal static unsafe partial int avcodec_version();
}
}