public CdmInstance(string keySystem)
{
cdmInstance = IEME.create(this, keySystem, false, CDM_MODEL.E_CDM_MODEL_DEFAULT);
if (cdmInstance == null)
{
Logger.Error($"Cannot create CDM instance for key system ${keySystem}!");
throw new DrmException($"Cannot create CDM instance for key system ${keySystem}!");
}
KeySystem = keySystem;
DrmType = EmeUtils.GetDrmTypeFromKeySystemName(KeySystem);
sessionsDuringInitializationTcs.TrySetResult(true);
}
public ICdmInstance GetCdmInstance(DrmInitData data)
{
var keySystem = EmeUtils.GetKeySystemName(data.SystemId);
lock (drmManagerLock)
{
try
{
return(TryGetCdmInstance(keySystem, out var cdmInstance)
? cdmInstance
: CreateCdmInstance(keySystem));
}
catch (Exception e)
{
Logger.Error($"Getting CDM instance failed: {e.Message}");
return(null);
}
}
}
private async Task <IDrmSession> CreateDrmSession(DrmInitData initData, IEnumerable <byte[]> keys, List <DrmDescription> clipDrmConfigurations)
{
Logger.Warn("Creating new DRM session.");
var scheme = EmeUtils.GetScheme(initData.SystemId);
var drmDescription = clipDrmConfigurations.FirstOrDefault(o => SchemeEquals(o.Scheme, scheme));
if (drmDescription == null)
{
Logger.Warn("DRM not configured.");
throw new DrmException("DRM not configured.");
}
var iemeKeySystemName = EmeUtils.GetKeySystemName(initData.SystemId);
if (IEME.isKeySystemSupported(iemeKeySystemName) != Status.kSupported)
{
Logger.Warn($"Key System: {iemeKeySystemName} is not supported");
throw new DrmException($"Key System: {iemeKeySystemName} is not supported");
}
var session = new MediaKeySession(initData, drmDescription, keys, this);
SessionInitializing();
try
{
await thread.Factory.Run(() => InitializeSessionOnIemeThread(session, initData)).ConfigureAwait(false);
}
catch (Exception e)
{
Logger.Error($"EME session creation fail: {e}");
SessionInitializingDone();
CloseSession(session.GetSessionId());
session.Release();
return(null);
}
return(session);
}
