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How to Fix the "Error while writing video frame (error=-28)" Error
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When recording with oCam, the following error message may appear after a certain amount of time:
"Error while writing video frame (error=-28)"
This error (error code 28) occurs when the file system of the path where the recorded video file is being saved is formatted as FAT (FAT32). The FAT file system has a maximum single-file size limit of 4 GB, so this error occurs when the recorded file size exceeds 4 GB. Below is a detailed explanation of how to resolve this issue.
To fix this error, you can choose one of the following two methods:
1. Change the save path to an NTFS file system
The NTFS file system has a much larger file size limit (up to 16 EB), so it can store video files larger than 4 GB without any problems. To change oCam's save path to a drive or folder that uses the NTFS format, follow these steps:
1. In the oCam main window, click 'Tools' in the top menu, then select 'Options'.
2. In the Settings window, click the 'Save' category in the left menu.
3. Under the 'Save Path' item, check the current path and change it to another drive or folder that uses the NTFS file system (for example, `C:\Videos` or `D:\Recordings`).
4. Click the 'OK' button to save the settings, restart oCam, and then try recording again.
2. Format the existing drive as NTFS
If the drive you are currently using is formatted as FAT or FAT32, you can convert or format it to NTFS. However, formatting will erase all data on the drive, so be sure to back up any important files first. To format the drive, follow these steps:
1. Open File Explorer and right-click the drive you want to format (for example, a USB drive or external hard drive).
2. Select 'Format' and set the file system to 'NTFS'.
3. Choose the formatting options, then click 'Start' to begin formatting.
4. After formatting is complete, set that drive as the save path in oCam and use it.
Additional Checks
- To check whether the drive's file system is FAT32, right-click the drive in File Explorer and select 'Properties' to view the file system information.
- If the problem continues even after changing to NTFS, check whether the drive has enough free space and whether you have write permission.
By changing the save path to an NTFS file system or formatting the drive, you can save large video files over 4 GB without errors. After changing the settings, make a test recording to confirm that the problem has been resolved.
Programs
Another helpful tip
Tips for Precisely Adjusting the Recording Area Window
Tips for precisely adjusting the recording area window
When setting the recording area in oCam, being able to precisely adjust the position and size of the window is very useful. oCam provides intuitive shortcut keys for this, allowing users to fine-tune the recording area exactly as needed. Below are some tips for precisely adjusting the recording area window and how to use the shortcut keys.
In oCam, you can drag the window used to set the recording area with the mouse to move or resize it, but using shortcut keys allows for much more precise adjustment. Shortcut keys are especially useful when you need to set an exact position or size.
Adjusting the recording area position
- Arrow keys: Press the arrow keys (up, down, left, right) to move the recording area window precisely one pixel at a time. This is useful when fine adjustment is needed.
- Ctrl + Arrow keys: If you want to move it by a larger amount, use the arrow keys while holding down the Ctrl key. This combination moves the window more quickly, making it easier to adjust the position efficiently.
Adjusting the recording area size
- Shift + Arrow keys: Hold down the Shift key and use the arrow keys to resize the recording area window. The up and down arrow keys adjust the height of the window, and the left and right arrow keys adjust the width. This also allows precise adjustment one pixel at a time.
- Shift + Ctrl + Arrow keys: If you want to resize the window by a larger amount, use the arrow keys while holding down both the Shift and Ctrl keys. This combination changes the window size more quickly in larger increments, which is useful when major resizing is needed.
These shortcut keys help you adjust oCam's recording area settings very precisely and carefully. For example, if you want to record only a specific game window or a certain part of the screen, you can first set the approximate area with the mouse and then use the shortcut keys to fine-tune it pixel by pixel for the exact result you want.
In this way, oCam provides user-friendly shortcut keys that support precise adjustment of the recording area. Make active use of these shortcut keys to set the recording area more accurately and efficiently.