Add-ons
- API
- Communication Center
- Disaster Recovery System
- Standard Object Library
- BACnet Application
- SmartSCADA
- WinCC OA Excel Report
- Video
  - Video Basics
  - Object Explorer Overview
  - Camera lists
  - Sequences
  - Configurations
  - External events
  - Video Export
  - Video Workstation
  - Playback
  - Human Interface Devices (HID)
  - CTRL Functions
    - VIDEO_OA_getDefaultStreamNumForDisplay()
      Returns the default stream for a display.
    - VIDEO_OA_getDefaultStreamNumForWorkstation()
      Returns the default stream for a user interface.
    - getFrameTimestampTickInterval()
      The function of provides information about the capture time of video frames.
    - VIDEO_OA_getStreamInfo()
      Returns the stream information, which is saved in a camera data point
    - VIDEO_OA_getStreamInfoForShowLiveDefaultDisplay()
      Returns the stream information to open a live stream on a display monitor. The default stream is used.
    - VIDEO_OA_getStreamInfoForShowLiveDefaultWidget()
      Returns the stream information to open a live stream on an EWO. The default stream is used.
    - VIDEO_OA_filterKeywordValue()
      Returns the value of a keyword.
    - VIDEO_OA_getUserPermission()
      The function returns the authorization for the given action.
    - VIDEO_OA_getWorkstationDp()
      Returns the data point name of the workstation for the given manager number.
    - onFrameRate()
    - onLatestFrameTimestamp
      The Event with which the frame timestamp information is reported for video_oa/control_functions/VIDEO_OA_getFrameTimestampTickIntervall.html and video_oa/control_functions/VIDEO_OA_setFrameTimestampTickIntervall.html.
    - onStreamStateChanged()
      The event which is triggerd by a change in the stream state .
    - VIDEO_OA_openMessageInfo()
      This function opens an information window and you can adjust the message individually.
    - VIDEO_OA_openMessageInfoAnswer()
      This function opens a dialog and you can adjust the message individually.
    - VIDEO_OA_openMessageWarning()
      This function opens a warning window and you can adjust the message individually.
    - VIDEO_OA_openNoPermission()
      Opens an information window. The window informs about the required authorization level.
    - VIDEO_OA_openObjectExplorer()
      This function opens the object explorer.
    - VIDEO_OA_getDefaultStreamNumForDisplay()
      Returns the default stream for a display.
    - setFpsReportInterval()
      The function delivers the current frame rate.
    - setFrameTimestampTickInterval()
      The function sets the capture time of video frames.
    - showLiveRtsp()
      This function starts the live streaming functionality of the video application.
    - Verwaltung von Kameras
    - Video EWO
    - Konfigurationen und Sequenzen
    - Bedienpult
    - HID
  - Graphical objects
  - Data Point Types
  - Video Widget
  - Streaming
  - vimacc OA - Release Notes

onStreamStateChanged()

The event which is triggerd by a change in the stream state .

Synopsis

void onStreamStateChanged(int dialogIdx, uint mode, uint state)

Parameter


Parameter	Description
dialogIdx	Identifies the video dialog on which the video is to be displayed if a grid with several videos is chosen.
mode	The current streaming mode of the video dialog. Valid mode values are: const uint STREAMING_MODE_NONE = 0x00; const uint STREAMING_MODE_LIVE = 0x01; const uint STREAMING_MODE_PLAYBACK = 0x10; const uint STREAMING_MODE_SEQUENCE = 0x20;
state	The current streaming status or an error in the video dialog. Valid states are: const uint STREAMING_STATE_STOPPED = 0x00; const uint STREAMING_STATE_STREAMING = 0x01; const uint STREAMING_STATE_ERROR = 0x1001; const uint STREAMING_STATE_ERROR_UNKNOWN_CHANNEL = 0x1002; const uint STREAMING_STATE_ERROR_UNAUTHORIZED = 0x1004; const uint STREAMING_STATE_ERROR_NOT_FOUND = 0x1008;

Description

This event asynchronously reports successful connection establishment and errors during connection establishment to the RTSP streaming source.

Assignment

Video functions

Availability

UI, CTRL