JPEG-EX-S: Baseline and Extended JPEG Encoder

Overview Key Features Offering Brief What's Included Ordering Information Documentation & Resources Markets

Computer Aided Software Technologies, Inc (dba CAST)

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This JPEG compression IP core supports the Baseline Sequential DCT and Extended Sequential DCT modes of the ISO/IEC 10918-1 standard. It implements an area-efficient, high-performance, ASIC or FPGA hardware JPEG encoder with very low processing latency.

The JPEG-EX-S encoder produces compressed JPEG images and the video payload for Motion-JPEG container formats. It accepts images with 8- or 12-bit color samples and up to four color components, in all widely-used color subsampling formats.

The encoder processes one color sample per clock cycle, enabling it to compress multiple Full-HD channels even in low-cost FPGAs. One of the smallest JPEG encoders available, it requires just 80,000 equivalent gates when mapped on an ASIC technology.

Once programmed, the easy-to-use encoder requires no assistance from a host processor to compress an arbitrary number of frames. SoC integration is straightforward thanks to standardized AMBA® interfaces: AXI Streaming for pixel and compressed data, and a 32-bit APB slave interface for registers access. Users can optionally insert timestamps or other metadata in the compressed stream using a dedicated AXI Streaming interface.

Customers with a short time to market priority 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 deliverables include a complete verification environment and a bit-accurate software model.

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Key Features

Supports ISO/IEC 10918-1 Baseline/Extended DCT, single-frame and Motion JPEG, 8/12-bit samples, up to 4 components, all scans, markers, tables.
Provides rate control for images and video, limiting each frame’s size and regulating bit rate across multiple frames for consistent compression.
Provides AXI Streaming I/O for data, APB for control/status, processes one encoded sample per cycle, and has a small footprint of ~80k ASIC gates.
Operates program-once/encode-many, with simple timestamp interface, bit-accurate model for test vectors, and optional raster-to-block conversion support.

Offering Brief

Device Family	Arria® V GT FPGA, Arria® V GX FPGA, Arria® V GZ FPGA, Arria® V ST SoC FPGA, Arria® V SX SoC FPGA, Cyclone® IV E FPGA, Cyclone® IV GX FPGA, Cyclone® V E FPGA, Cyclone® V GT FPGA, Cyclone® V GX FPGA, Cyclone® V SE SoC FPGA, Cyclone® V ST SoC FPGA, Cyclone® V SX SoC FPGA, Agilex® 3 FPGAs and SoC FPGAs C-Series, Agilex® 5 FPGAs and SoC FPGAs D-Series, Agilex® 5 FPGAs and SoC FPGAs E-Series, Agilex® 7 FPGAs and SoC FPGAs F-Series, Agilex® 7 FPGAs and SoC FPGAs I-Series, Agilex® 7 FPGAs and SoC FPGAs M-Series, Agilex® 9 FPGAs and SoC FPGAs Direct RF-Series, Arria® 10 GT FPGA, Arria® 10 GX FPGA, Arria® 10 SX SoC FPGA, Cyclone® 10 GX FPGA, Cyclone® 10 LP FPGA, MAX® 10 FPGA, Stratix® 10 AX SoC FPGA, Stratix® 10 DX FPGA, Stratix® 10 GX FPGA, Stratix® 10 SX SoC FPGA, Stratix® 10 TX FPGA, Stratix® IV E FPGA, Stratix® IV GX FPGA, Stratix® V GS FPGA, Stratix® V GX FPGA
Offering Status	Production
Integrated Testbench	Yes
Evaluation License	Yes
Design Examples Available	Yes
Demo	No
Compliance	Yes
Latest Quartus Version Supported	24.3.1
Development Language	Encrypted Verilog, Verilog