H.264
Tin Man offers flexible H.264 export settings optimized for a range of workflows. Available options may vary slightly between Windows and macOS.
Bitrate Mode
(Windows Only unless noted)
Variable – Dynamically adjusts bitrate based on scene complexity
Constant – Maintains a fixed bitrate throughout the video
Constant QP (Quantization Parameter) – Fixed quality per frame, useful for consistent image quality
Auto (macOS) – Automatically selects the appropriate bitrate mode
Target / Max Bitrate (Mbps)
Adjustable range: 0.1 Mbps (low) to 400 Mbps (high)
Available for Variable and Constant bitrate modes
Quality / Speed Tradeoff
Adjusts the encoder to favor faster processing with lower quality, or higher quality with slower performance
Useful for balancing render time and output fidelity
Profile / Level
Sets the H.264 profile (e.g., Baseline, Main, High) and level (e.g., 4.0, 5.1)
Important for compatibility with various playback systems
Entropy Coding
Auto – Encoder decides
CABAC – Higher compression, better quality (slower to encode)
CAVLC – Lower compression, faster encoding (less efficient)
Hardware Encoding
Enables or disables hardware-accelerated encoding
Improves export speed when supported by the system’s GPU
GOP (Group of Pictures) Settings
GOP Type Choose between:
I-Frames Only – Intra-frame only (better for editing)
IPB – Inter-frame encoding with P and B frames (better compression)
GOP Size Controls the number of frames between keyframes (I-frames)
IDR Interval
Windows: Manually adjustable (up to 50× the GOP size)
macOS: Automatically managed by the system
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