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fix: Support FFmpeg 5.1.x for decoding (#3816)

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For some reason FFmpeg 5.1.x reverted part of the changes made in 5.0.x
on AVCodec.

This fix decoding issues with it.
This commit is contained in:
Mary-nyan 2022-11-02 09:26:50 +01:00 committed by GitHub
parent 3d98e1361b
commit 7d8e198c33
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 11 additions and 11 deletions
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10
Ryujinx.Graphics.Nvdec.FFmpeg/FFmpegContext.cs
View File

@ -7,7 +7,9 @@ namespace Ryujinx.Graphics.Nvdec.FFmpeg
{
unsafe class FFmpegContext : IDisposable
{
private readonly FFCodec.AVCodec_decode _decodeFrame;
private unsafe delegate int AVCodec_decode(AVCodecContext* avctx, void* outdata, int* got_frame_ptr, AVPacket* avpkt);
private readonly AVCodec_decode _decodeFrame;
private static readonly FFmpegApi.av_log_set_callback_callback _logFunc;
private readonly AVCodec* _codec;
private AVPacket* _packet;
@ -53,17 +55,17 @@ namespace Ryujinx.Graphics.Nvdec.FFmpeg
// libavcodec 59.24 changed AvCodec to move its private API and also move the codec function to an union.
if (avCodecMajorVersion > 59 || (avCodecMajorVersion == 59 && avCodecMinorVersion > 24))
{
_decodeFrame = Marshal.GetDelegateForFunctionPointer<FFCodec.AVCodec_decode>(((FFCodec*)_codec)->CodecCallback);
_decodeFrame = Marshal.GetDelegateForFunctionPointer<AVCodec_decode>(((FFCodec<AVCodec>*)_codec)->CodecCallback);
}
// libavcodec 59.x changed AvCodec private API layout.
else if (avCodecMajorVersion == 59)
{
_decodeFrame = Marshal.GetDelegateForFunctionPointer<FFCodec.AVCodec_decode>(((FFCodecLegacy<AVCodec>*)_codec)->Decode);
_decodeFrame = Marshal.GetDelegateForFunctionPointer<AVCodec_decode>(((FFCodecLegacy<AVCodec501>*)_codec)->Decode);
}
// libavcodec 58.x and lower
else
{
_decodeFrame = Marshal.GetDelegateForFunctionPointer<FFCodec.AVCodec_decode>(((FFCodecLegacy<AVCodecLegacy>*)_codec)->Decode);
_decodeFrame = Marshal.GetDelegateForFunctionPointer<AVCodec_decode>(((FFCodecLegacy<AVCodec>*)_codec)->Decode);
}
}

1
Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodec.cs
View File

@ -20,6 +20,7 @@ namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
public unsafe IntPtr PrivClass;
public IntPtr Profiles;
public unsafe byte* WrapperName;
public IntPtr ChLayouts;
#pragma warning restore CS0649
}
}

3
Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodecLegacy.cs → Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodec501.cs
View File

@ -2,7 +2,7 @@
namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
{
struct AVCodecLegacy
struct AVCodec501
{
#pragma warning disable CS0649
public unsafe byte* Name;
@ -20,7 +20,6 @@ namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
public unsafe IntPtr PrivClass;
public IntPtr Profiles;
public unsafe byte* WrapperName;
public IntPtr ChLayouts;
#pragma warning restore CS0649
}
}

2
Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodecContext.cs
View File

@ -9,7 +9,7 @@ namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
public unsafe IntPtr AvClass;
public int LogLevelOffset;
public int CodecType;
public unsafe AVCodecLegacy* Codec;
public unsafe AVCodec* Codec;
public AVCodecID CodecId;
public uint CodecTag;
public IntPtr PrivData;

6
Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFCodec.cs
View File

@ -2,12 +2,10 @@
namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
{
struct FFCodec
struct FFCodec<T> where T: struct
{
public unsafe delegate int AVCodec_decode(AVCodecContext* avctx, void* outdata, int* got_frame_ptr, AVPacket* avpkt);
#pragma warning disable CS0649
public AVCodec Base;
public T Base;
public int CapsInternalOrCbType;
public int PrivDataSize;
public IntPtr UpdateThreadContext;