public byte[] GetCameraSnapshot(string cameraId)
{
byte[] snapshot;
PublishedCamera camera = GetPublishedCamera(cameraId);
if (camera != null)
{
do
{
snapshot = camera.LatestFrameBytes;
if (snapshot == null) Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
while (snapshot == null);
}
else
{
using (camera = new PublishedCamera(Locator.Get<ICameraManager>().GetCamera(cameraId)))
{
camera.Start();
do
{
snapshot = camera.LatestFrameBytes;
if (snapshot == null) Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
while (snapshot == null);
camera.Stop();
}
}
return snapshot;
}
public PublishedCamera PublishCamera(string cameraId, PublishDestination destination)
{
lock (_accessLock)
{
if (destination == null)
{
throw new ArgumentNullException("destination");
}
PublishedCamera camera = GetPublishedCamera(cameraId);
if (camera != null)
{
camera.AddDestination(destination);
}
else
{
camera = new PublishedCamera(Locator.Get <ICameraManager>().GetCamera(cameraId)).AddDestination(destination);
camera.Sender = StreamSenderFactory.GetSender().Start();
camera.CameraErrorOccurred += new EventHandler <CameraErrorOccurredEventArgs>(OnCameraErrorOccurred);
camera.Start();
_cameras.Add(camera);
_timeToAlive.AddOrUpdate(new CameraPublishDestination(cameraId, destination),
DateTime.Now, (k, v) => { return(DateTime.Now); });
}
return(camera);
}
}
public void UnpublishCamera(string cameraId, ICollection <PublishDestination> destinations)
{
lock (_accessLock)
{
if (destinations == null)
{
throw new ArgumentNullException("destinations");
}
PublishedCamera camera = GetPublishedCamera(cameraId);
if (camera != null)
{
foreach (var dest in destinations)
{
camera.RemoveDestination(dest);
DateTime aliveTime;
_timeToAlive.TryRemove(
new CameraPublishDestination(cameraId, dest), out aliveTime);
}
if (camera.Destinations.Count <= 0)
{
camera.CameraErrorOccurred -= new EventHandler <CameraErrorOccurredEventArgs>(OnCameraErrorOccurred);
camera.Stop();
_cameras.Remove(camera);
camera.Dispose();
}
}
}
}
public PublishedCamera PublishCamera(string cameraId, ICollection <PublishDestination> destinations)
{
lock (_accessLock)
{
if (destinations == null)
{
throw new ArgumentNullException("destinations");
}
PublishedCamera camera = null;
foreach (var dest in destinations)
{
camera = PublishCamera(cameraId, dest);
}
return(camera);
}
}
internal static PublishedCameraData Translate(PublishedCamera camera)
{
PublishedCameraData data = new PublishedCameraData()
{
CameraId = camera.Id,
Destinations = new List<PublishDestinationData>()
};
foreach (var item in camera.Destinations)
{
data.Destinations.Add(new PublishDestinationData()
{
Address = item.Address,
Port = item.Port
});
}
return data;
}
public void UnpublishCamera(string cameraId)
{
lock (_accessLock)
{
PublishedCamera camera = GetPublishedCamera(cameraId);
if (camera != null)
{
foreach (var dest in camera.Destinations)
{
DateTime aliveTime;
_timeToAlive.TryRemove(
new CameraPublishDestination(cameraId, dest), out aliveTime);
}
camera.ClearDestination();
camera.CameraErrorOccurred -= new EventHandler <CameraErrorOccurredEventArgs>(OnCameraErrorOccurred);
camera.Stop();
_cameras.Remove(camera);
camera.Dispose();
}
}
}
public byte[] GetCameraSnapshot(string cameraId)
{
byte[] snapshot;
PublishedCamera camera = GetPublishedCamera(cameraId);
if (camera != null)
{
do
{
snapshot = camera.LatestFrameBytes;
if (snapshot == null)
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}while (snapshot == null);
}
else
{
using (camera = new PublishedCamera(Locator.Get <ICameraManager>().GetCamera(cameraId)))
{
camera.Start();
do
{
snapshot = camera.LatestFrameBytes;
if (snapshot == null)
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
}
}while (snapshot == null);
camera.Stop();
}
}
return(snapshot);
}
public PublishedCamera PublishCamera(string cameraId, PublishDestination destination)
{
lock (_accessLock)
{
if (destination == null)
throw new ArgumentNullException("destination");
PublishedCamera camera = GetPublishedCamera(cameraId);
if (camera != null)
{
camera.AddDestination(destination);
}
else
{
camera = new PublishedCamera(Locator.Get<ICameraManager>().GetCamera(cameraId)).AddDestination(destination);
camera.Sender = StreamSenderFactory.GetSender().Start();
camera.CameraErrorOccurred += new EventHandler<CameraErrorOccurredEventArgs>(OnCameraErrorOccurred);
camera.Start();
_cameras.Add(camera);
_timeToAlive.AddOrUpdate(new CameraPublishDestination(cameraId, destination),
DateTime.Now, (k, v) => { return DateTime.Now; });
}
return camera;
}
}
