/// <summary>
/// Adds an MPEG-CENC DRM configuration to the muxing to encrypt its output. Widevine and FairPlay
/// specific fields will be included into DASH and HLS manifests to enable key retrieval using either
/// DRM method.<para/>
///
/// API endpoint:
/// https://bitmovin.com/docs/encoding/api-reference/sections/encodings#/Encoding/PostEncodingEncodingsMuxingsFmp4DrmCencByEncodingIdAndMuxingId
/// </summary>
/// <param name="encoding">The encoding to which the muxing belongs to</param>
/// <param name="muxing">The muxing to apply the encryption to</param>
/// <param name="output">The output resource to which the encrypted segments will be written to</param>
/// <param name="outputPath">The output path where the encrypted segments will be written to</param>
private Task CreateDrmConfig(Models.Encoding encoding, Muxing muxing, Output output,
string outputPath)
{
var widevineDrm = new CencWidevine()
{
Pssh = _configProvider.GetDrmWidevinePssh()
};
var cencFairPlay = new CencFairPlay()
{
Iv = _configProvider.GetDrmFairplayIv(),
Uri = _configProvider.GetDrmFairplayUri()
};
var cencDrm = new CencDrm()
{
Outputs = new List <EncodingOutput>()
{
BuildEncodingOutput(output, outputPath)
},
Key = _configProvider.GetDrmKey(),
Kid = _configProvider.GetDrmWidevineKid(),
Widevine = widevineDrm,
FairPlay = cencFairPlay
};
return(_bitmovinApi.Encoding.Encodings.Muxings.Fmp4.Drm.Cenc.CreateAsync(encoding.Id, muxing.Id, cencDrm));
}