/// <summary>
/// Sets provided configuration to appropriate stream.
/// </summary>
/// <param name="config">StreamConfig</param>
public Task SetStreamConfiguration(StreamConfig config)
{
var streamType = config.StreamType();
logger.Info($"{streamType}: {config.GetType()}");
if (config is BufferStreamConfig metaData)
{
// Use video for buffer depth control.
if (streamType == StreamType.Video)
{
_dataClock.BufferLimit = metaData.BufferDuration;
}
return(Task.CompletedTask);
}
if (esStreams[(int)streamType] == null)
{
logger.Warn($"Uninitialized stream {streamType}");
return(Task.CompletedTask);
}
if (esStreams[(int)streamType].HaveConfiguration)
{
if (!esStreams[(int)streamType].Configuration.IsCompatible(config))
{
esStreams[(int)streamType].Configuration = config;
return(Task.CompletedTask);
}
logger.Info($"{streamType}: Queuing configuration");
return(AppendPacket(BufferConfigurationPacket.Create(config)));
}
if (_configurationsCollected == null)
{
esStreams[(int)streamType].SetStreamConfiguration(config);
}
else
{
esStreams[(int)streamType].Configuration = config;
if (AllStreamsHaveConfiguration)
{
_configurationsCollected.TrySetResult(null);
}
return(Task.CompletedTask);
}
// Check if all initialized streams have configuration &
// can be started
if (!AllStreamsHaveConfiguration)
{
logger.Info($"Needed config: Video {esStreams[(int)StreamType.Video].Configuration == null} Audio {esStreams[(int)StreamType.Audio].Configuration == null}");
return(Task.CompletedTask);
}
return(PreparePlayback(activeTaskCts.Token));
}
public void SetStreamConfig(StreamConfig config)
{
logger.Info(config.StreamType().ToString());
var configPacket = BufferConfigurationPacket.Create(config);
streamControl.SetStreamConfiguration(configPacket);
}
/// <summary>
/// Sets provided configuration to appropriate stream.
/// </summary>
/// <param name="config">StreamConfig</param>
public void SetStreamConfiguration(BufferConfigurationPacket config)
{
var streamType = config.StreamType;
logger.Info($"{streamType}:");
try
{
if (config.Config is MetaDataStreamConfig metaData)
{
bufferController.SetMetaDataConfiguration(metaData);
return;
}
var pushResult = esStreams[(int)streamType].SetStreamConfig(config);
// Configuration queued. Do not prepare stream :)
if (pushResult == EsStream.SetStreamConfigResult.ConfigQueued)
{
return;
}
// Check if all initialized streams are configured
if (!AllStreamsConfigured)
{
return;
}
var token = activeTaskCts.Token;
bufferController.ResetBuffers();
StreamPrepare(token);
}
catch (NullReferenceException)
{
// packetQueue can hold ALL StreamTypes, but not all of them
// have to be supported.
logger.Warn($"Uninitialized Stream Type {streamType}");
}
catch (OperationCanceledException)
{
logger.Info($"{streamType}: Operation Cancelled");
}
catch (ObjectDisposedException)
{
logger.Info($"{streamType}: Operation Cancelled and disposed");
}
catch (InvalidOperationException)
{
// Queue has been marked as completed
logger.Warn($"Data queue terminated for stream: {streamType}");
}
catch (UnsupportedStreamException use)
{
logger.Error(use, $"{streamType}");
OnEsStreamError(use.Message);
}
}
public static BufferConfigurationPacket Create(StreamConfig config)
{
var result = new BufferConfigurationPacket()
{
Config = config,
StreamType = config.StreamType(),
Pts = TimeSpan.MinValue
};
return result;
}
/// <summary>
/// Sets provided configuration to appropriate stream.
/// </summary>
/// <param name="config">StreamConfig</param>
public async Task SetStreamConfiguration(BufferConfigurationPacket config)
{
var streamType = config.StreamType;
logger.Info($"{streamType}:");
try
{
if (config.Config is BufferStreamConfig metaData)
{
await _dataClock.UpdateBufferDepth(metaData.StreamType(), metaData.BufferDuration);
}
var pushResult = esStreams[(int)streamType].SetStreamConfiguration(config);
if (pushResult == EsStream.SetStreamConfigResult.QueueConfiguration)
{
AppendPacket(config);
return;
}
esStreams[(int)streamType].PushStreamConfiguration();
// Check if all initialized streams are configured
if (!AllStreamsConfigured)
{
return;
}
var token = activeTaskCts.Token;
await StreamPrepare(token);
}
catch (NullReferenceException)
{
// packetQueue can hold ALL StreamTypes, but not all of them
// have to be supported.
logger.Warn($"Uninitialized Stream Type {streamType}");
}
catch (ObjectDisposedException)
{
logger.Info($"{streamType}: Operation Cancelled and disposed");
}
catch (InvalidOperationException)
{
// Queue has been marked as completed
logger.Warn($"Data queue terminated for stream: {streamType}");
}
catch (UnsupportedStreamException use)
{
logger.Error(use, $"{streamType}");
OnEsStreamError(use.Message);
}
}
/// <summary>
/// Seek Task. Performs seek to specified seekId, followed by seek to specified
/// seek position
/// </summary>
/// <param name="seekId">Seek ID to seek to</param>
/// <param name="seekPosition">seek position to seek to</param>
/// <param name="token">cancel token</param>
/// <returns></returns>
private SeekResult SeekTask(uint seekId, TimeSpan seekPosition, CancellationToken token)
{
logger.Info($"{streamType}: {seekId}");
while (true)
{
try
{
var packet = packetStorage.GetPacket(streamType, token);
switch (packet)
{
case BufferConfigurationPacket bufferConfigPacket:
var isCompatible = CurrentConfig.Compatible(bufferConfigPacket);
CurrentConfig = bufferConfigPacket;
if (CurrentConfig.StreamType == StreamType.Audio && !isCompatible)
{
return(SeekResult.RestartRequired);
}
break;
case SeekPacket seekPacket:
if (seekPacket.SeekId != seekId)
{
break;
}
logger.Info($"{streamType}: Seek Id {seekId} found. Looking for time {seekPosition}");
return(SeekResult.Ok);
default:
packet.Dispose();
break;
}
}
catch (InvalidOperationException)
{
logger.Warn($"{streamType}: Stream completed");
return(SeekResult.Ok);
}
catch (OperationCanceledException)
{
logger.Warn($"{streamType}: Seek cancelled");
return(SeekResult.Ok);
}
catch (Exception e)
{
logger.Error(e, $"{streamType}");
throw;
}
}
}
/// <summary>
/// Sets Stream configuration
/// Non configured stream - stream config will be pushed directly to ES Player.
/// Configured stream - stream config will be enqueue in packet storage
/// and processed once retrieved.
/// </summary>
/// <param name="bufferConfig">BufferConfigurationPacket</param>
/// <returns>SetStreamConfigResult</returns>
public SetStreamConfigResult SetStreamConfiguration(BufferConfigurationPacket bufferConfig)
{
logger.Info($"{streamType}");
LastQueuedConfig = bufferConfig;
if (!IsConfigured)
{
return(SetStreamConfigResult.SetConfiguration);
}
logger.Info($"{streamType}: New configuration needs queuing");
return(SetStreamConfigResult.QueueConfiguration);
}
public bool Compatible(BufferConfigurationPacket packet)
{
switch (packet.Config)
{
case AudioStreamConfig audioConfig:
return (Config as AudioStreamConfig)?.Compatible(audioConfig) ?? false;
case VideoStreamConfig videoConfig:
return (Config as VideoStreamConfig)?.Compatible(videoConfig) ?? false;
default:
return false;
}
}
/// <summary>
/// Sets Stream configuration
/// Non configured stream - stream config will be pushed directly to ES Player.
/// Configured stream - stream config will be enqueue in packet storage
/// and processed once retrieved.
/// </summary>
/// <param name="bufferConfig">BufferConfigurationPacket</param>
/// <returns>SetStreamConfigResult</returns>
public SetStreamConfigResult SetStreamConfig(BufferConfigurationPacket bufferConfig)
{
// Depending on current configuration state, packets are either pushed
// directly to player or queued in packet queue.
// To make sure current state is known, sync this operation.
//
logger.Info($"{streamType}: Already Configured: {IsConfigured}");
if (IsConfigured)
{
packetStorage.AddPacket(bufferConfig);
logger.Info($"{streamType}: New configuration queued");
return(SetStreamConfigResult.ConfigQueued);
}
CurrentConfig = bufferConfig;
PushStreamConfig(CurrentConfig.Config);
return(SetStreamConfigResult.ConfigPushed);
}
private async Task <bool> ProcessPacket(Packet packet, CancellationToken transferToken)
{
var continueProcessing = true;
switch (packet)
{
case EOSPacket eosPacket:
PushEosPacket(eosPacket, transferToken);
continueProcessing = false;
break;
case BufferConfigurationPacket bufferConfigPacket:
CurrentConfig = bufferConfigPacket;
if (CurrentConfig.StreamType == StreamType.Audio && !CurrentConfig.Compatible(bufferConfigPacket))
{
logger.Warn($"{streamType}: Incompatible Stream config change.");
streamReconfigureSubject.OnNext(Unit.Default);
// exit transfer task. This will prevent further transfers
// Stops/Restarts will be called by reconfiguration handler.
continueProcessing = false;
}
break;
case EncryptedPacket encryptedPacket:
await PushEncryptedPacket(encryptedPacket, transferToken);
break;
case Packet dataPacket:
PushUnencryptedPacket(dataPacket, transferToken);
break;
default:
throw new ArgumentException($"{streamType}: Unsupported packet type {packet.GetType()}");
}
return(continueProcessing);
}
/// <summary>
/// Sets provided configuration to appropriate stream.
/// </summary>
/// <param name="config">StreamConfig</param>
public async Task SetStreamConfiguration(StreamConfig config)
{
var streamType = config.StreamType();
logger.Info($"{streamType}: {config.GetType()}");
try
{
if (config is BufferStreamConfig metaData)
{
// Use video for buffer depth control.
if (streamType == StreamType.Video)
{
_dataClock.UpdateBufferDepth(metaData.BufferDuration);
}
return;
}
if (esStreams[(int)streamType].IsConfigured)
{
logger.Info($"{streamType}: Queuing configuration");
AppendPacket(BufferConfigurationPacket.Create(config));
return;
}
// Don't push config yet. Just store it. Configs may arrive
// after player gets disowned. Configs should not be pushed, but
// configuration is needed in order to restore player configuration.
esStreams[(int)streamType].StoreStreamConfiguration(config);
// Check if all initialized streams have configuration &
// can be started
if (!AllStreamsHaveConfiguration || activeTaskCts.IsCancellationRequested)
{
return;
}
SetPlayerConfiguration();
await PreparePlayback(activeTaskCts.Token);
SetState(PlayerState.Prepared);
}
catch (OperationCanceledException)
{
logger.Info("Operation cancelled");
}
catch (NullReferenceException)
{
// packetQueue can hold ALL StreamTypes, but not all of them
// have to be supported.
logger.Warn($"Uninitialized Stream Type {streamType}");
}
catch (ObjectDisposedException)
{
logger.Info($"{streamType}: Operation Cancelled and disposed");
}
catch (InvalidOperationException)
{
// Queue has been marked as completed
logger.Warn($"Data queue terminated for stream: {streamType}");
}
catch (UnsupportedStreamException use)
{
logger.Error(use, $"{streamType}");
OnEsStreamError(use.Message);
}
}