The JPEG-E-X core from Alma Technologies is a standalone and high-performance 8-bit Baseline and 10/12-bit Extended JPEG encoder
for still image and video compression applications. Full compliance with the Baseline and the Extended Sequential DCT modes of
the ISO/IEC 10918-1 JPEG standard makes the JPEG-E-X core ideal for interoperable systems and devices.
The produced JPEG streams can also conform to the Digital Imaging and Communications in Medicine (DICOM) requirements.
The JPEG-E-X is available for ASIC or AMD-Xilinx, Efinix, Intel, Lattice and Microchip FPGA and SoC based designs.
In addition to generating standalone Baseline or Extended JPEG streams, the encoder can also produce the (de-facto) standard
video payload of many motion JPEG container formats. Furthermore, the bandwidth constrained applications can benefit from the
optionally included video rate control block.
The core is designed with simple, fully flow-controllable and FIFO-like, streaming input and output interfaces.
Being carefully designed, rigorously verified and silicon-proven, the JPEG-E-X is a reliable and easy-to-use and integrate IP.
IP Deliverables
Clear-text RTL sources for ASIC designs, or pre-synthesized and verified Netlist for FPGA and SoC devices
Release Notes, Design Specification and Integration Manual documents
Bit Accurate Model (BAM) and test vector generation binaries, including sample scripts
Pre-compiled RTL simulation model and gate-level simulation netlist for the FPGA Netlist license
Self-checking testbench environment sources, including sample BAM generated test cases
Simulation and sample Synthesis (for ASICs) or Place & Route (for FPGAs) scripts
Specifications »
Symbol
Features
Complete, Compliant and Standalone Operation
8-bit Baseline and 12-bit Extended JPEG encoder with full ISO/IEC 10918-1 compliance
Up to 64K x 64K image resolution
1-4 image components, 8/10/12-bit per component
1, 2 and 4 horizontal and vertical sampling factors support
Single- and multi-scan support
Programmable Quantization Tables (up to four)
Programmable Huffman Tables (two DC, two AC)
Programmable Restart Markers insertion
Complete and standalone Baseline JPEG stream output with user controllable marker inclusion
CPU-less operation
Single clock cycle per sample encoding throughput
Extra Capabilities
Programmable Quality Factor (1 to 100) for easy Quantization Tables scaling
DICOM JPEG conformance
Motion JPEG payload encoding
Optional block-based maximum output size control with independent Luminance and Chrominance bit thresholds
Optional high-quality and accurate video rate control
Automatic Quality Factor adjustment per frame
Programmable nominal compressed frame size
Programmable bandwidth shaping output buffer size
Ease of Integration
Simple, microcontroller like, programming interface
High-speed, flow controllable, streaming I/O data interfaces
Simple and FIFO like
Avalon-ST compliant (ready latency 0)
AXI4-Stream compliant
Trouble-Free Technology Map and Implementation
Fully portable, self-contained RTL source code
Strictly positive edge triggered design
D-type only Flip-Flops
Fully synchronous operation
No special timing constraints required
No false paths
No multi-cycle paths
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