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| 供应商 | CAST |
|---|---|
| 型号 | Baseline JPEG Decoder Core |
| 类型 | Soft IP |
| 到期日 | In Production |
| 源网址 | View more |
| 特征 | Area-efficient, high-performance Baseline JPEG decoder for ASIC and FPGA Standards Support ISO/IEC 10918-1 Standard Baseline Decoder Single-frame JPEG images and Motion JPEG payloads Up to four color components 8-bit color samples All widely used color-sub-sampling formats, and any image size up to 64k x 64k All scan configurations and all JPEG formats All marker segments expect DNL Up to four Huffman Tables Up to four b-nit or 18-bit Quantization tables Interfaces AXI Streaming I/O data interfaces APB Control/Status interface Optional AHB wrapper with DMA capabilities Performance and Size ? One decoded sample per clock cycle ? Small silicon footprint (~65k Gates) Ease of Integration Requires no programming or control from host Reports image format Detects and reports marker syntax errors Delivered with bit-accurate software model Optional Block-to-Raster Conversion with AXI or standard memory interface towards the lines buffer Format Available as a netlist for ASICs or FPGAs |
| 详情页 | View more |
| 附件链接 | View more |
This JPEG decompression IP core supports the Baseline Sequential DCT mode of the ISO/IEC 10918-1 standard. It implements a high-performance, ASIC or FPGA, hard-ware JPEG encoder that is very small in silicon area. The JPEG-DX-S Decoder decompresses JPEG images and the video payload for Mo-tion-JPEG container formats. It accepts compressed streams of images with 8-bit color samples and up to four color components, in all widely-used color subsampling formats. The decoder processes one color sample per clock cycle, enabling it to process multi-ple Full-HD channels even in low-cost FPGAs. One of the smallest JPEG decoders available, it requires just 65,000 equivalent gates when mapped on an ASIC technology. Once programmed, the easy-to-use encoder operates on a standalone basis, parsing marker segments and decompressing coded data with no assistance from a host pro-cessor. The decoder reports the image format (i.e., resolution, subsampling format, and color sample-depth) to the system, so that the decoded images are properly further processed and/or displayed. SoC integration is straightforward thanks to standardized AMBA? interfaces: AXI Streaming for pixel and decompressed data, and a 32-bit APB slave interface for registers access. Customers with a short time to market requirements can use CAST's IP Integration Services to receive complete JPEG subsystems. These integrate the JPEG encoder with video interface controllers, Hardware UDPIP or Transport Stream networking stacks, or other IP cores available from CAST. The core is designed with industry best practices, and its reliability and low risk have been proven through both rigorous verification and customer production. Its delivera-bles include a complete verification environment and a bit-accurate software model.
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