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Remove dependency for FFmpeg.AutoGen and Update FFmpeg to 5.0.1 for Windows (#3466)

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* Remove dependency for FFMpeg.AutoGen

Also prepare for FFMpeg 5.0 and 5.1

* Update Ryujinx.Graphics.Nvdec.Dependencies to 5.0.1-build10

* Address gdkchan's comments

* Address Ack's comment

* Address gdkchan's comment
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Mary 2022-07-14 15:13:23 +02:00 • committed by GitHub
parent 70ec5def9c
commit c5bddfeab8
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19 changed files with 563 additions and 89 deletions
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129
Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFmpegApi.cs Normal file
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using System;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
{
static 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 = minVersion; version <= maxVersion; 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);
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern AVFrame* av_frame_alloc();
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_frame_unref(AVFrame* frame);
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_free(AVFrame* frame);
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_log_set_level(AVLog level);
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_log_set_callback(av_log_set_callback_callback callback);
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern AVLog av_log_get_level();
[DllImport(AvUtilLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_log_format_line(void* ptr, AVLog level, [MarshalAs(UnmanagedType.LPUTF8Str)] string fmt, byte* vl, byte* line, int lineSize, int* printPrefix);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern AVCodec* avcodec_find_decoder(AVCodecID id);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern AVCodecContext* avcodec_alloc_context3(AVCodec* codec);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern int avcodec_open2(AVCodecContext* avctx, AVCodec* codec, void **options);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern int avcodec_close(AVCodecContext* avctx);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void avcodec_free_context(AVCodecContext** avctx);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern AVPacket* av_packet_alloc();
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_packet_unref(AVPacket* pkt);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern void av_packet_free(AVPacket** pkt);
[DllImport(AvCodecLibraryName, CallingConvention = CallingConvention.Cdecl)]
internal static unsafe extern int avcodec_version();
}
}