Stream custom live channels using your own media
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using ErsatzTV.FFmpeg.Capabilities;
using ErsatzTV.FFmpeg.Format;
namespace ErsatzTV.FFmpeg.Encoder.Nvenc;
public class EncoderHevcNvenc : EncoderBase
{
private readonly Option<string> _maybeVideoPreset;
private readonly bool _bFrames;
public EncoderHevcNvenc(IHardwareCapabilities hardwareCapabilities, Option<string> maybeVideoPreset)
{
_maybeVideoPreset = maybeVideoPreset;
if (hardwareCapabilities is NvidiaHardwareCapabilities nvidia)
{
_bFrames = nvidia.HevcBFrames;
}
}
public override string Name => "hevc_nvenc";
public override StreamKind Kind => StreamKind.Video;
public override string[] OutputOptions
{
get
{
var result = new List<string>
{
"-c:v", "hevc_nvenc",
"-tag:v", "hvc1",
"-b_ref_mode", _bFrames ? "1" : "0"
};
foreach (string videoPreset in _maybeVideoPreset)
{
if (!string.IsNullOrWhiteSpace(videoPreset))
{
result.Add("-preset:v");
result.Add(videoPreset);
}
}
return result.ToArray();
}
}
public override FrameState NextState(FrameState currentState) => currentState with
{
VideoFormat = VideoFormat.Hevc
};
}