MPEG-4 Simple Profile

An excellent general purpose video codec, with efficient, error resilient coding of rectangular video objects, ideal for applications of surveillance, network cameras, video conferencing, multimedia gateways, head end multimedia systems, video servers and consumer electronics.

Technical Specification

MPEG-4 Video Compression

• Fully compliant with MPEG-4 ISO/IEC 14496-2
• Simple Visual Profile @L0-L3, H.263 (baseline)
• Encoded Bit Rates: 10 Kbps to 2 Mbps
• Encoded Frame Rates: up to 30 fps
• Low processing latency
• Modular software architecture
• Concurrent MPEG-4 Simple Visual Profile Encoder/Decoder on a single processor

Interfaces

• Comprehensive, integrator-friendly Application Program Interface (API)

Encoder Algorithm

• Input Video Resolution: 176x144 (QCIF), 352x288 (CIF), & others
• Input Video Format: YCrCb, 4:2:0, progressive
• Built-in techniques for enhanced error resilience
• Fast-search motion estimation
• Adaptive rate control

Decoder Algorithm

• Up to four input video objects per decoder instance
• Variable displayed object resolution, position
• Novel error concealment and error recovery techniques
• User configurable compositor
• User configurable de-blocking
• Output Video Format: YCrCb, 4:2:0, progressive

Applications

• Surveillance; Network camera
• Video conferencing; Video servers
• Multimedia systems and gateways
• Consumer electronics

Platforms

• Currently supported on TI DM320™, C64x™ (TMS320C64xx™) and TI C64x+™/DaVinci™ (DM644x™)
• Decoder supported on ARM (ARM9E™)
• For further details contact products@rtcodec.com

Note

• The algorithm can be configured for specific applications, such as streaming or storage

A frame with errors

Frame with errors concealed using novel low-complexity scheme.

The scheme has no memory overheads and requires no changes to the encoder

For a demonstration of MPEG4 error concealments capabilities contact products@rtcodec.com