Here my project https://drive.google.com/file/d/1qQRY5gsYCUcr7gpjJXY5FEx2JGyNHg50/view?usp=sharing Yes. If the required format is set by force as in the example, it works, but why does the callback not work? // Set the size and format of the video here. mediaPlayer.SetVideoFormat("RV32", W...