ersatztv/ErsatzTV.FFmpeg/Decoder/DecoderVaapi.cs

using ErsatzTV.FFmpeg.Format;

namespace ErsatzTV.FFmpeg.Decoder;

public class DecoderVaapi : DecoderBase
{
    public override FrameDataLocation OutputFrameDataLocation => FrameDataLocation.Hardware;
    public override string Name => "implicit_vaapi";
    public override IList<string> InputOptions => Array.Empty<string>();

    public override FrameState NextState(FrameState currentState)
    {
        FrameState nextState = base.NextState(currentState);

        return currentState.PixelFormat.Match(
            pixelFormat => nextState with { PixelFormat = new PixelFormatNv12(pixelFormat.Name) },
            () => nextState);
    }
}