private void InitializeSessionOnIemeThread(MediaKeySession session, DrmInitData initData)
{
var sessionId = CreateSession();
session.SetSessionId(sessionId);
lock (cdmInstanceLock)
if (!sessionsByIds.TryAdd(sessionId, session))
{
session.Release();
throw new Exception("Duplicate sessionId.");
}
GenerateRequest(sessionId, initData);
}
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);
}
private bool TryGetSession(string sessionId, out MediaKeySession session)
{
lock (cdmInstanceLock)
return(sessionsByIds.TryGetValue(sessionId, out session));
}