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MPEG4 Simple-Profile Decoder (SPI-Storm)
Product Code: Video-MP4SP-Dec-SPI
Features
- Video decoder supporting MPEG4 (ISO/IEC 14496 – Part 2), Simple profile
- High performance implementation on SPI (Stream Processors Inc) STORM platforms
- Simultaneous decode of 11 D1 @ 30fps in 500Mhz
- All levels specified for simple profile
- Simple profile tools supported: Intra VOP, P-VOP, AC/DC prediction, 4-MV, Unrestricted MV, Re-synchronization marker
- Available as a set of open, initialization, execute, close APIs
- Multi-channel decode support (Re-entrant)
S/W Block Diagram
Performance
On SPI GT-160 Processor with DPU @ 500 MHz, DSP/SYS MIPS @ 250 MHz:
Non-Entropy Decode performance (DPU/DSP MIPS)
- Decode times per frame
- 3 ms for D1 (720x480) resolutions
- 1.6 ms for CIF (352x288) resolutions
- Simultaneous decode of 11 D1 channels @ 30fps
Entropy decode/VLD (System MIPS)
- Real-time decode of 14 Mbps D1 stream
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