private CuCallbackResult SequenceCallback(
IntPtr data, ref CuVideoFormat format)
{
using var _ = _context.Push();
PrintInformation("CuVideoFormat", new Dictionary <string, object>
{
["Codec"] = format.Codec,
["Bitrate"] = format.Bitrate,
["CodedWidth"] = format.CodedWidth,
["CodedHeight"] = format.CodedHeight,
["Framerate"] = format.FrameRateNumerator / format.FrameRateDenominator,
});
if (!format.IsSupportedByDecoder(out var error, out var caps))
{
Console.Error.WriteLine(error);
Environment.Exit(-1);
return(CuCallbackResult.Failure);
}
PrintInformation("CuVideoDecodeCaps", new Dictionary <string, object>
{
["MaxWidth"] = caps.MaxWidth,
["MaxHeight"] = caps.MaxHeight,
});
if (!_decoder.IsEmpty)
{
_decoder.Reconfigure(ref format);
return(CuCallbackResult.Success);
}
_info = new CuVideoDecodeCreateInfo
{
CodecType = format.Codec,
ChromaFormat = format.ChromaFormat,
OutputFormat = format.GetSurfaceFormat(),
BitDepthMinus8 = format.BitDepthLumaMinus8,
DeinterlaceMode = format.ProgressiveSequence
? CuVideoDeinterlaceMode.Weave
: CuVideoDeinterlaceMode.Adaptive,
NumOutputSurfaces = 2,
CreationFlags = CuVideoCreateFlags.PreferCUVID,
NumDecodeSurfaces = format.MinNumDecodeSurfaces,
VideoLock = _contextLock,
Width = format.CodedWidth,
Height = format.CodedHeight,
MaxWidth = format.CodedWidth,
MaxHeight = format.CodedHeight,
TargetWidth = format.CodedWidth,
TargetHeight = format.CodedHeight
};
_decoder = CuVideoDecoder.Create(ref _info);
return((CuCallbackResult)format.MinNumDecodeSurfaces);
}
public FrameInformation(
BufferStorage buffer,
int pitch,
CuVideoDecodeCreateInfo info,
YuvInformation yuvInfo)
{
Buffer = buffer;
Pitch = pitch;
Info = info;
YuvInfo = yuvInfo;
}
/// <inheritdoc cref="CreateDecoder(out CuVideoDecoder, ref CuVideoDecodeCreateInfo)"/>
public static CuVideoDecoder Create(ref CuVideoDecodeCreateInfo pdci)
{
var result = CreateDecoder(out var decoder, ref pdci);
CheckResult(result);
return decoder;
}
public static extern CuResult CreateDecoder(out CuVideoDecoder decoder, ref CuVideoDecodeCreateInfo pdci);