The Alma Technologies UHT-JPEG-E IP Core is a very high performance 8-bit Baseline and 12-bit Extended JPEG encoder, designed to enable the massive pixel rates of 4K/8K UHD resolutions and high frame rate video applications in highly cost-effective FPGA and ASIC implementations.
The encoder is fully compliant to the ITU T.81 specification and supports encoding of 4:4:4, 4:2:2, 4:2:0 and 4:0:0 (grayscale) images or video streams, in 8-, 10- or 12-bit per component sample depths. The UHT-JPEG-E can be implemented using only on-chip memory resources, while using off-chip memory too is also natively supported. Designed with a user configurable architecture, the encoder scales to offer a sustained encoding throughput from 1 to 32 samples per clock cycle.
Using multiple internal processing engines, the UHT-JPEG-E offers the needed performance through its scalable parallel architecture. Each input image or video frame is split internally into chunks and each chunk is assigned to one of multiple internal compression units. This is done in a way which is totally transparent to the system utilizing the IP, abstracting all the parallelization complexity from the rest SoC components. The number of internal compression units is configurable before synthesis, adapting to the implementation technology speed, and non-critical resources are shared between the multiple compression engines.
The UHT-JPEG-E uses a single uncompressed data input interface - accepting raster scan pixels - and produces a single, ready-to-use and fully compliant JPEG stream output. The encoder employs also a constant bitrate video encoding option, making it a best fit for the bandwidth or storage constrained Motion JPEG video applications. Its operation is completely standalone, without needing any host CPU or GPU power. The output JPEG byte stream can be decoded, as is, by any standard compliant decoder.
The UHT-JPEG-E core is designed with simple, fully controllable and FIFO-like, streaming input and output interfaces. Being carefully designed and rigorously verified, the UHT-JPEG-E is a reliable, easy-to-use and integrate IP providing a best value solution for your FPGA or ASIC design.
Clear text VHDL RTL source for ASIC designs, or pre-synthesized and verified Netlist for Altera, Lattice, Microsemi and Xilinx FPGA and SoC devices
Release Notes, Design Specification and Integration Manual documents
Bit Accurate Model (BAM) and test vector generation binaries, including sample scripts
Self checking testbench environment, including sample BAM generated test cases
Simulation and sample Synthesis (for ASICs) or Place & Route (for FPGAs) scripts
High-Performance, Compliant and Standalone Operation
Ultra high throughput in low-end silicon using scalable and transparent parallel processing
Full ITU T.81 compliance
4:4:4, 4:2:2, 4:2:0 and 4:0:0 (grayscale) image or video input
8-, 10- and 12-bit per component sample depth encoding
Single - multiple pixels - raster scan interleaved input and single, ready-to-use, JPEG byte stream output
Motion JPEG payload encoding
CPU-less, complete and standalone operation
Up to 32 samples per clock cycle encoding
Algorithmic encoding latency of approximately 32 scan lines for 4:2:0 and 16 scan lines for all other sampling formats
CQP - VBR encoding mode with programmable Quality Factor (1 to 100)
Constant Bitrate (CBR) video encoding mode
Programmable output frame size
Programmable transmission buffer size
On-the-fly video bitrate changes supported
Configurable full on-chip or mixed on/off-chip memories implementation
Flexible optional off-chip memory interface
Independent of external memory type
Tolerant to latencies
Allows for shared memory access
Can optionally operate on independent clock domain
Avalon-ST and AXI4-Stream compliant streaming data I/O
Trouble-Free Technology Map and Implementation
Fully portable, self-contained RTL source code
Strictly positive edge triggered design
D-type only Flip-Flops
Safe CDC transfers when using more than one clock domain
No special timing constraints required
No false or multi-cycle paths within the same clock domain
No CDC transfers that need to be constrained
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