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Record only when the screen actually changes

A cashier screen, a dashboard or a control room display sits still for most of the day. Recording it around the clock fills the recorder with hours of a still picture. Screen2ipcam can report movement over standard ONVIF, so the recorder keeps the moments that matter and can alert you the instant something happens.

Optional, off by defaultStandard ONVIF eventsAny ONVIF recorderVersion 2.0.5 · Beta
An NVR in playback mode: the PC screen channel shows a motion badge and a highlighted mouse pointer, and the 24 hour timeline has recording blocks only where the screen changed
Illustration of how it appears on a recorder.

What changes on the recorder

Nothing changes in how the camera is added or streamed. What changes is the recorder's schedule: instead of continuous recording it can switch the channel to record on motion, so the playback timeline fills only where the screen really moved.

Two practical results. The disk lasts much longer, so you keep weeks of history instead of days. And searching gets faster, because you scroll straight to the blocks on the timeline instead of scrubbing through hours of a still picture.

What you can control

SettingDefaultRangeWhat the lowest and highest values do
SensitivityMediumVery low → Very highVery low reports only a big change, a whole window or a quarter of the screen. Very high reports any small change, a single character. Medium suits a cashier screen.
Minimum duration0.5 s0.3 to 2 sThe lowest value reports faster but may catch a brief flash. The highest ignores brief changes but reports later.
Hold time3 s2 to 30 sThe lowest declares idle soon after the last change, giving shorter, split recordings. The highest stays in motion for half a minute, giving longer, continuous clips.
Ignore the Windows taskbarOnOn / OffThe clock and notifications in the taskbar stop counting as motion. The rectangle is measured from Windows itself, so it follows the taskbar wherever it sits.
Ignore the screen cornersNoNo → LargeFor an app clock, a logo or alerts pinned in a corner. No watches the whole screen. Large excludes the biggest area in each corner, 18% of width and height.
Ignore a top or bottom stripNoNo → 20%For a title bar or a news ticker that spans the screen width. 20% excludes a fifth of the screen height.

How to switch it on

  1. In Screen2ipcamOpen the Events tab, switch on Send motion events to the recorder, then press Apply and restart.
  2. On the recorderOpen the channel settings and enable motion detection and motion recording for that channel. Hikvision calls it Motion Detection, Dahua calls it IVS or Video Detect, XMEye calls it Detect.
  3. Re-add the channel if neededIf the camera was added before you switched events on, delete the channel and add it again so the recorder reads the new capabilities.
  4. Check it without touching the screenBack in the Events tab press Send test event. The motion or recording icon should appear on the recorder within a second.

Technical summary

Event standardONVIF, two topics
DeliveryPull and push
Detection load0.19 ms per frame
Runs whenA viewer is connected
Mouse pointerOptional, off by default
Motion eventsOff by default

What it looks like in the app

Everything lives in one new tab. Turn the feature on, pick how sensitive it should be, and use the test button to confirm the recorder reacts.

The Events tab in Screen2ipcam 2.0.5.
The Events tab in Screen2ipcam 2.0.5.
The mouse pointer switch, in Stream extras.
The mouse pointer switch, in Stream extras.

Two smaller things in the same release

Mouse pointer in the stream

Windows does not include the mouse pointer when a program captures the screen, so until now the recording showed a screen with no cursor. You can now draw it into the stream and the snapshot, which makes it clear where the operator clicked. Optional, and off by default.

A test button

The Events tab has a Send test event button. It sends one motion event to the recorder and then goes idle, without touching the screen, so you can confirm the recorder reacts before you leave the site.

How much of your PC's resources does it use?

Rest assured: the program is very light and uses next to nothing of your PC's resources. Motion detection compares small squares of the screen and takes 0.19 ms per frame on a 64-bit machine at 1080p, which is about 0.2% of one CPU core at the default 10 frames per second. It only runs while somebody is watching the stream: with no viewer connected the program is idle and nothing is analysed.

Download Screen2ipcam 2.0.5 (beta)

Beta. The new options are ready to use, and we are collecting feedback before 2.0.5 becomes the main download. The stable version on the home page is still 2.0.3.

Version 2.0.5 installs over your current version and keeps your license and settings. New to Screen2ipcam? The same installer runs as a free 14-day trial.

Send feedback on the beta · support@magicweb.win

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