CV184x Processor Bit Rate Control Application Notes

Revision History

Revision	Date	Description
0.1	2025/03/26	Initial draft

Contents

• 1. Disclaimer
• 2. Meaning and Usage of Bit Rate Control Parameters
  • 2.1. CBR Parameter Description and Usage
  • 2.2. VBR Parameter Description and Usage
  • 2.3. AVBR Parameter Description and Usage
  • 2.4. Macroblock-Level Bit Rate Control Parameter Description and Usage
  • 2.5. Frame Dropping Parameters and Usage for Excessive Bit Rates
• 3. Meaning and Usage of GOP Structure Parameters
  • 3.1. Single-Reference P-Frame GOP Structure Description and Usage
  • 3.2. Smart P-Frame GOP Structure Description and Usage
• 4. Bit Rate Control Topics
  • 4.1. Bit Rate Stability
  • 4.2. Image Quality Improvement
  • 4.3. Adjust Breathing Effects
  • 4.4. Limit I-Frame Size
  • 4.5. Reduce Motion Ghosting
  • 4.6. Reduce Chroma Shift
  • 4.7. Initial QP for Bit Rate Control
  • 4.8. Low-Bit-Rate Scenarios
  • 4.9. Precautions