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Celstream’s MPEG-4 Encoder/Decoder is an implementation of the MPEG-4, Part 2 technology (ISO/IEC 14496-2). MPEG-4, Part 2 is a low complexity Codec that is widely used for video applications that require up to VGA resolution on low powered platforms. A partial list of applications where Celstream’s MPEG-4 Codec can be used are:
- Portable Audio Appliances
- Digital Audio Broadcasting
- Internet Streaming
- Internet Appliances
- Infotainment
| Profile |
Simple Profile |
| Resolution |
Up to VGA |
| Frame Rate |
Up to 30 fps |
| Bit Rate |
Up to 3 Mbps |
| Input Format |
YUV420 |
| Output Format |
ISO/IEC 14496-2 (MPEG4) Simple Profile Compliant stream |
| Picture Type |
I and P |
| Implementation |
Fixed point & re-entrant code
Optimized for ARM 9 Core |
| Encoder features |
AC/DC Prediction
Full/Half pel motion compensation
Up to 4 motion vectors
Unrestricted motion vectorsRate Control |
| Performance Metrics |
Encoder : QVGA 384Kbps @ 15fps – 180 MIPS on ARM 9 platform
Decoder : QVGA 384Kbps @ 30fps – 100 MIPS on ARM 9 platform |
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