Describe the bug
The issue occurred because nextPtrOffset was being initialized in the rawImagePlanarMetadata class when setting the data size for the first time. As a result, the condition checking if the value was the same as the declared value prevented the data size from being updated correctly on the second attempt.

To Reproduce

1. Set the data size for the first time.
2. Attempt to update the data size again.
3. Observe that the value does not change as expected.

Expected behavior
Ensured that nextPtrOffset is handled correctly so that the data size can be updated multiple times

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Version [e.g. chrome, safari]
• Cuda Version [e.g. 22]
• Architecture [e.g. x86_64, arm64]

Additional context
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