private Packet DecryptPacketOnIemeThread(EncryptedPacket packet, CancellationToken token)
{
// Do padding only for Widevine with keys shorter then 16 bytes
// Shorter keys need to be zero padded, not PCKS#7
if (DrmType == EmeUtils.DrmType.Widevine && packet.Iv.Length < 16)
{
packet.Iv = PadIv(packet.Iv);
}
var pHandleArray = new HandleSize[1];
var ret = CreateParamsAndDecryptData(packet, ref pHandleArray, token);
if (ret == eCDMReturnType.E_SUCCESS)
{
return(new DecryptedEMEPacket(thread)
{
Dts = packet.Dts,
Pts = packet.Pts,
StreamType = packet.StreamType,
IsKeyFrame = packet.IsKeyFrame,
Duration = packet.Duration,
HandleSize = pHandleArray[0]
});
}
Logger.Error($"Decryption failed: {packet.StreamType} - {ret}");
throw new DrmException($"Decryption failed: {packet.StreamType} - {ret}");
}
public void CleanHandle()
{
HandleSize = new HandleSize();
}
