public void OnClearStream()
{
Logger.Info($"{streamType}");
currentCdmInstance = null;
config = null;
}
public async Task OnDRMFound(DrmInitData data)
{
using (await packetStreamLock.LockAsync())
{
Logger.Info($"{streamType}");
if (!forceDrmChange && currentCdmInstance != null)
{
return;
}
IDrmSession newSession = await drmManager.GetDrmSession(data);
// Do not reset wait for DRM event. If there is no valid session
// do not want to append new data
//
if (newSession == null)
{
return;
}
Logger.Info($"{streamType}: New DRM session found");
forceDrmChange = false;
// Set new session as current & let data submitters run wild.
// There is no need to store sessions. They live in player queue
currentCdmInstance = newSession.CdmInstance;
}
}
/// <summary>
/// Pushes encrypted data packet to ESPlayer.
/// Decryption is performed prior to packet push.
/// </summary>
/// <param name="dataPacket">Packet</param>
/// <param name="token">CancellationToken</param>
/// <exception cref="PacketSubmitException">
/// Exception thrown on submit error
/// </exception>
/// <exception cref="OperationCanceledException">
/// Exception thrown on submit cancellation
/// </exception>
private async ValueTask PushEncryptedPacket(EncryptedPacket dataPacket, CancellationToken token)
{
ICdmInstance cdmInstance = dataPacket.CdmInstance;
if (cdmInstance == null)
{
throw new InvalidOperationException("Decrypt called without CdmInstance");
}
Task sessionsInitializationsTask = cdmInstance.WaitForAllSessionsInitializations(token);
if (!sessionsInitializationsTask.IsCompleted)
{
logger.Info($"{streamType}: DRM Initialization incomplete");
_bufferingSubject.OnNext(true);
await sessionsInitializationsTask;
_bufferingSubject.OnNext(false);
logger.Info($"{streamType}: DRM Initialization complete");
}
using (var decryptedPacket = await cdmInstance.DecryptPacket(dataPacket, token) as DecryptedEMEPacket)
{
// Continue pushing packet till success or terminal failure
for (;;)
{
var submitStatus = player.Submit(decryptedPacket);
logger.Debug(
$"{decryptedPacket.StreamType}: ({submitStatus}) PTS: {decryptedPacket.Pts} Duration:" +
$"{decryptedPacket.Duration} Handle: {decryptedPacket.HandleSize.handle} " +
$"HandleSize: {decryptedPacket.HandleSize.size}");
if (submitStatus == ESPlayer.SubmitStatus.Success)
{
decryptedPacket.CleanHandle();
return;
}
if (!ShouldRetry(submitStatus))
{
throw new PacketSubmitException("Packet Submit Error", submitStatus);
}
await Task.Delay(CalculateDelay(submitStatus), token);
}
}
}
