public async Task <bool> StartTimeshiftAsync(int slotIndex, IChannel channel)
{
if (TimeshiftControl == null || channel == null)
{
return(false);
}
ServiceRegistration.Get <ILogger>().Debug("SlimTvHandler: StartTimeshift slot {0} for channel '{1}'", slotIndex, channel.Name);
int newSlotIndex = GetMatchingSlotIndex(slotIndex);
if (_slotContexes[newSlotIndex].Channel != null && _slotContexes[newSlotIndex].Channel.MediaType != channel.MediaType)
{
// Switching between TV and radio - must close old player and start brand new one
IPlayerContext playerContext = existingPlayerContext(newSlotIndex);
if (playerContext == null)
{
return(false);
}
playerContext.Close();
await StopTimeshiftAsync(newSlotIndex);
}
var result = await TimeshiftControl.StartTimeshiftAsync(newSlotIndex, channel);
IList <MultipleMediaItemAspect> pras;
MediaItem timeshiftMediaItem = result.Result;
if (result.Success && timeshiftMediaItem != null && MediaItemAspect.TryGetAspects(timeshiftMediaItem.Aspects, ProviderResourceAspect.Metadata, out pras))
{
string newAccessorPath = (string)pras[0].GetAttributeValue(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH);
// if slot was empty, start a new player
if (_slotContexes[newSlotIndex].AccessorPath == null)
{
AddOrUpdateTimeshiftContext(timeshiftMediaItem as LiveTvMediaItem, channel);
PlayerContextConcurrencyMode playMode = GetMatchingPlayMode();
await PlayItemsModel.PlayOrEnqueueItem(timeshiftMediaItem, true, playMode);
}
else
{
try
{
_slotContexes[newSlotIndex].CardChanging = true;
UpdateExistingMediaItem(timeshiftMediaItem, newSlotIndex);
}
finally
{
_slotContexes[newSlotIndex].CardChanging = false;
}
}
_slotContexes[newSlotIndex].AccessorPath = newAccessorPath;
_slotContexes[newSlotIndex].Channel = channel;
}
return(result.Success);
}
internal static async Task <MediaItem> StartTimeshiftAsync(IOwinContext context, int id, string userName)
{
var channel = await GetChannelAsync(id);
if (channel == null)
{
return(null);
}
var client = CLIENT_CHANNELS.FirstOrDefault(c => c.Value.ChannelId == id);
if (client.Value?.MediaItem != null)
{
//Check if already streaming
if (client.Key == userName)
{
return(client.Value.MediaItem);
}
//Use same stream url as other channel
if (!CLIENT_CHANNELS.TryAdd(userName, client.Value))
{
return(null);
}
else
{
return(client.Value.MediaItem);
}
}
var freeSlot = GetFreeSlot();
if (freeSlot == null)
{
return(null);
}
var item = await TimeshiftControl.StartTimeshiftAsync(userName, freeSlot.Value, channel);
if (!item.Success)
{
return(null);
}
//Initiate channel cache
ChannelInfo newChannel = new ChannelInfo
{
SlotIndex = freeSlot.Value,
ChannelId = id,
MediaItem = item.Result,
UserName = userName
};
if (!CLIENT_CHANNELS.TryAdd(userName, newChannel))
{
await TimeshiftControl.StopTimeshiftAsync(userName, freeSlot.Value);
return(null);
}
return(item.Result);
}