/// <summary>
/// Get the current Ptz location from the camera
/// </summary>
/// <returns></returns>
public PTZStatus GetPtzLocation()
{
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
PTZStatus status = PtzClient.GetStatus(mediaProfile.token);
return(status);
}
public int GetPresetCount()
{
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
string profileToken = mediaProfile.token;
// This could be used to cache presets to avoid unecessary HTTP requests
// This could also cause an issue when presets are modified so it is not used currently
//if (Presets == null)
// Presets = PtzClient.GetPresets(profileToken);
Presets = PtzClient.GetPresets(profileToken);
return(Presets.Length);
}
/// <summary>
/// Stop the camera (uses the media profile provided to the constructor).
/// NOTE: may not work if not issued in conjunction with a move command
/// </summary>
public void Stop()
{
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
try
{
PtzClient.Stop(mediaProfile.token, true, true);
PtzMoving = false;
log.Debug("Ptz Stop command sent");
}
catch (Exception ex)
{
log.Error(string.Format("Exception executing Stop command. {0}", ex.Message));
}
}
/// <summary>
/// Pan the camera (uses the media profile provided to the constructor)
/// </summary>
/// <param name="speed">Percent of max speed to move the camera (-1.00 to 1.00)</param>
private void Pan(float speed)
{
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
PTZConfigurationOptions ptzConfigurationOptions = PtzClient.GetConfigurationOptions(mediaProfile.PTZConfiguration.token);
PTZSpeed velocity = new PTZSpeed();
velocity.PanTilt = new Vector2D()
{
x = speed * ptzConfigurationOptions.Spaces.ContinuousPanTiltVelocitySpace[0].XRange.Max, y = 0
};
PtzClient.ContinuousMove(mediaProfile.token, velocity, null);
PtzMoving = true;
}
/// <summary>
/// Instantiates PTZ object with known media profile
/// </summary>
/// <param name="mediaUri">Camera's Media URI (from device client GetServices())</param>
/// <param name="ptzUri">Camera's PTZ URI (from device client GetServices())</param>
/// <param name="deviceTimeOffset">Difference between device time and client time (seconds)</param>
/// <param name="mediaProfile">Media Profile to use</param>
/// <param name="user">Username</param>
/// <param name="password">Password</param>
public OnvifPtz(string mediaUri, string ptzUri, double deviceTimeOffset, RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile, string user, string password)
{
User = user;
Password = password;
if (string.IsNullOrEmpty(mediaUri) | string.IsNullOrEmpty(ptzUri))
{
throw new Exception("Media and/or PTZ URI is empty or null. PTZ object cannot be created");
}
PtzClient = OnvifServices.GetOnvifPTZClient(ptzUri, deviceTimeOffset, User, Password);
MediaProfile = mediaProfile;
// Should be able to remove this once all instantiates go through this constructor (only used by GetMediaProfile - which is only necessary if a mediaProfile is not provided)
MediaClient = OnvifServices.GetOnvifMediaClient(mediaUri, deviceTimeOffset, User, Password);
}
/// <summary>
/// Move PTZ to provided preset number (uses the media profile provided to the constructor)
/// </summary>
/// <param name="presetNumber">Preset to use</param>
public void ShowPreset(int presetNumber)
{
string presetToken = string.Empty;
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
string profileToken = mediaProfile.token;
// This could be used to cache presets to avoid unecessary HTTP requests
// This could also cause an issue when presets are modified so it is not used currently
//if (Presets == null)
// Presets = PtzClient.GetPresets(profileToken);
Presets = PtzClient.GetPresets(profileToken);
PTZPreset[] presets = Presets; // PtzClient.GetPresets(profileToken);
if (presets.Length >= presetNumber)
{
presetToken = presets[presetNumber - 1].token;
PTZSpeed velocity = new PTZSpeed();
velocity.PanTilt = new Vector2D()
{
x = (float)-0.5, y = 0
};;
try
{
PtzClient.GotoPreset(profileToken, presetToken, velocity);
}
catch (Exception ex)
{
log.Error(string.Format("Exception executing ShowPreset command. {0}", ex.Message));
}
}
else
{
log.Warn(string.Format("Preset #{0} not defined for this camera [{1}]", presetNumber, PtzClient.Endpoint.Address.Uri.AbsoluteUri));
throw new IndexOutOfRangeException(string.Format("Preset #{0} not defined for this camera [{1}]", presetNumber, PtzClient.Endpoint.Address.Uri.AbsoluteUri));
}
}
/// <summary>
/// Combined Pan and Tilt of the camera (uses the media profile provided to the constructor)
/// </summary>
/// <param name="panSpeed">Percent of max speed to move the camera (-1.00 to 1.00)</param>
/// <param name="tiltSpeed">Percent of max speed to move the camera (-1.00 to 1.00)</param>
public void PanTilt(float panSpeed, float tiltSpeed)
{
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
PTZConfigurationOptions ptzConfigurationOptions = PtzClient.GetConfigurationOptions(mediaProfile.PTZConfiguration.token);
PTZSpeed velocity = new PTZSpeed();
velocity.PanTilt = new Vector2D()
{
x = panSpeed * ptzConfigurationOptions.Spaces.ContinuousPanTiltVelocitySpace[0].XRange.Max,
y = tiltSpeed * ptzConfigurationOptions.Spaces.ContinuousPanTiltVelocitySpace[0].YRange.Max
};
try
{
PtzClient.ContinuousMove(mediaProfile.token, velocity, null);
PtzMoving = true;
log.Debug("Pan/Tilt Ptz command sent");
}
catch (Exception ex)
{
log.Error(string.Format("Exception executing Pan/Tilt command. {0}", ex.Message));
}
}
/// <summary>
/// Zoom the camera (uses the media profile provided to the constructor)
/// </summary>
/// <param name="speed">Percent of max speed to move the camera (-100 to 100). Negative zooms out, Positive zooms in</param>
public void Zoom(int speed)
{
if (speed > 100)
{
speed = 100;
}
if (speed < -100)
{
speed = -100;
}
log.Debug(string.Format("Zoom @ velocity of {0}", speed));
RTSP_Viewer.OnvifMediaServiceReference.Profile mediaProfile = GetMediaProfile();
PTZConfigurationOptions ptzConfigurationOptions = PtzClient.GetConfigurationOptions(mediaProfile.PTZConfiguration.token);
PTZSpeed velocity = new PTZSpeed();
velocity.Zoom = new Vector1D()
{
x = ((float)speed / 100) * ptzConfigurationOptions.Spaces.ContinuousZoomVelocitySpace[0].XRange.Max
};
string timeout = null; //"PT5S";
try
{
PtzClient.ContinuousMove(mediaProfile.token, velocity, timeout);
PtzMoving = true;
}
catch (Exception ex)
{
log.Error(string.Format("Exception executing Zoom command. {0}", ex.Message));
}
}
