[core] extend hardware transcoding for fileflows #3392

[MickLesk]

✍️ Description

extend hardware transcoding for FileFlows

🔗 Related PR / Issue

Link: #3392

✅ Prerequisites (X in brackets)

• Self-review completed – Code follows project standards.
• Tested thoroughly – Changes work as expected.
• No breaking changes – Existing functionality remains intact.
• No security risks – No hardcoded secrets, unnecessary privilege escalations, or permission issues.

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🛠️ Type of Change (X in brackets)

• ✨ New feature – Adds new, non-breaking functionality.