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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
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 11 additions and 11 deletions
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10
Ryujinx.Graphics.Nvdec.FFmpeg/FFmpegContext.cs
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@ -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);
}
}