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H.264 - VX4000S
Video Codecs

The following is an abbreviated list of the features supported in the VX4000S video codec. For a comprehensive list, please contact Agora Labs directly.


Codec Features
Syntax ITU-T H.264 March 1996
Packetization RFC 3984
Profile Baseline
Levels 1, 1b, 1.1, 1.2, 1.3, 2, 2.1, 2.2, 3
I and P Slices Yes
Context Adaptive Variable Length Coding (CAVLC) Yes
Enhanced Error Resilience (FMO, ASO, RS) Yes
Callback Support Yes
Encode Advanced Rate Control Yes
Encode Frame Capture and Color Conversion Yes
Input Picture Size Interpolation 1:1, 1:2, 2:1, 5:3
Input Picture Noise Reduction Yes
Decode Picture Extraction API (RGB & YUV) Yes
Output Picture Size Interpolation 1:1, 1:2
x86 Real-Time Speed Optimization Yes
SIMD Support (MMX, SSE, SSE2) Yes
Multiple Picture Segment Overlay Yes