From Dahua Wiki
How to Use Smart Play
Use SmartPlayer to play DAV or ASF files
- DAV or ASF file
Step by Step Instructions
To play playbacks on smartplayer:
1. Go into your Smart Player and click on open.
2. Search through your files and select the backup you want to playback.
3. Since I only selected one, only one is showing up, double click on the video to enlarge.
4. You may play/pause by pressing the play button and skip a frame back and forth and etc.