Video Codecs
Speech Codecs
Protocol Stacks
H.263+  - VX2000S
Video Codecs

The following is an abbreviated list of the features supported in the VX2000S video codec. For a comprehensive list, please contact Agora Labs directly.

Codec Features
Syntax ITU-T H.263 February 1998 (H.263+) and
ITU-T H.263 January 2005 (H.263++)
Packetization RFC 2429, RFC 4629
Maximum Picture Size Any 4 pixel boundary; limited only by available memory
Callback Support Yes
Encode Rate Control Yes
Encode Advanced Picture Modeling (I & P) Yes
Encode Advanced Picture Modeling (B) Yes
Encode Advanced Rate Control Yes
Encode Frame Capture & 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
Annex D (Unrestricted Motion Vectors) Yes
Annex F (Advanced Prediction Mode) Yes
Annex I (Advanced Intra Coding) Yes
Annex J (De-blocking Filter Mode) Yes
Annex K (Slice Structure Mode) Yes
Annex L (Supplemental Enhanced Information) Yes
Annex W (ext Supplemental Enhanced Information) Yes
Annex O (Temporal Scalability, B Frames) Yes
Annex T (Modified Quantization Mode) Yes
Annex X (Profiles) 0, 1, 2, 3
Document Camera Support (Still Pictures) Yes