<!--
{
  "availability" : [
    "DriverKit: 27.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "VideoDriverKit",
  "identifier" : "/documentation/VideoDriverKit/IOUserVideoClockDevice/GetCurrentZeroTimestamp",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "VideoDriverKit"
    ],
    "preciseIdentifier" : "c:@S@IOUserVideoClockDevice@F@GetCurrentZeroTimestamp#*k#S0_#"
  },
  "title" : "GetCurrentZeroTimestamp"
}
-->

# GetCurrentZeroTimestamp

Gets the current zero timestamp value.

```
void GetCurrentZeroTimestamp(uint64_t *out_sample_time, uint64_t *out_host_time);
```

## Parameters

`out_sample_time`

pointer to uint64_t that will be set with last updated sample time.

`out_host_time`

pointer to uint64_t that will be set with last updated host time.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)