Runtime Video Recorder Released Versions

How to download

Download the latest version of RVR here. Go to the official website page for installation guidance.

Overview

Runtime Video Recorder (RVR) is a production-ready Unreal Engine solution that enables MP4 video recording at runtime without game or render thread hitches. Built with performance in mind, it supports hardware-accelerated encoding on Windows (WMF), MacOS (AVFoundation), Oculus/Android (MediaCodec), Linux (OpenH264), and includes specialized features for VR and multi-camera setups.

Key Features

✨ Zero Performance Impact

• Asynchronous encoding on dedicated thread
• No game thread blocking
• Hardware acceleration support (Windows, Mac, Android, Oculus)

🎥 Flexible Recording Sources

• Game/Editor viewport recording
• Render target recording
• Single camera recording (Camera & CineCamera)
• Multi-camera grid recording
• 360-degree video support (experimental)

🎵 Audio Recording

• Full in-game audio capture
• Selective SoundSubmix recording
• Synchronized audio/video encoding

⚡ Advanced Features

• Frame-rate independent recording
• Manual frame capture mode
• Circular buffer (record last N seconds)
• Deferred encoding option
• Real-time camera preview
• Screenshot capture

Platform Support

Platform	Status	Hardware Acceleration	Encoder
Windows (Win64)	✅ Full Support	✅ Yes (WMF)	H.264
MacOS	✅ Full Support	✅ Yes (AVFoundation)	H.264
Android	✅ Full Support	✅ Yes (MediaCodec)	H.264
Oculus	✅ Full Support	✅ Yes (MediaCodec)	H.264
Linux	✅ Full Support	❌ Software	OpenH264

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Dependencies

The plugin automatically enables these required plugins:

• AudioCapture - For audio recording functionality
• ElectraPlayer - For video playback support

Troubleshooting

Recording Not Starting

Check:

• Is another recording already in progress? Call IsRecordingInProgress()
• Does the output directory exist? Plugin won't create directories
• Are required plugins enabled? (ElectraPlayer, AudioCapture)

Poor Video Quality

Solutions:

• Increase VideoBitrate (try 30000000 for 30 Mbps)
• Use Profile_High encoder profile
• Set RCMode to RC_Quality
• Increase TargetQuality to 75-90

Performance Issues

Solutions:

• Enable hardware acceleration in Project Settings
• Lower video resolution
• Reduce TargetFPS
• Use bPostponeEncoding = false (default on-the-fly encoding)
• Disable bDebugDumpEachFrame

Audio Sync Issues

Check:

• bFrameRateIndependent must be false for audio recording
• Ensure game is running at stable framerate
• Try increasing audio buffer size in project audio settings

Hardware Acceleration Not Working

Windows:

• Check GPU drivers are up to date
• Try setting bForceHardwareAccelerationForAllVendors = true for AMD/Intel
• Some older GPUs may not support H.264 encoding

Android:

• Verify device supports MediaCodec H.264 encoding
• Some emulators don't support hardware encoding

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Sample Content

The plugin includes sample content in the Content folder:

• Level_RuntimeVideoRecorder.umap - Demo level with recording UI (UE 5.2 and below)
• Level_RuntimeVideoRecorder_UE53Plus.umap - Demo level for UE 5.3+
• BP_RVR_GameMode - Example game mode with recording controls
• BP_RVR_VideoPlayer - Video playback widget
• Widget_AndroidRecording - Mobile-friendly recording UI

Support & Resources

• Support Discord: Join Community
• Developer: Unreal Solutions

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