JPEG 2000 encoder for high-speed applications (up to multi-channel DCI 2K and 4K, HD 1080i and 1080p)

The JPEG 2000 encoder is dedicated to DCI (Digital Cinema Initiatives) and HD video applications. It applies JPEG 2000 encoding on un-tiled large color frames with 4:4:4, 4:2:2 or 4:2:0 sub-sampling. It generates streams compliant with the ISO/IEC 15444-1 specification (JPEG 2000).

The core performs the following video compression operations of the normalized encoding process: color transform (ICT/RCT), discrete wavelet transform (DWT), quantization, entropy encoding and rate allocation. It expects pixels under the following format at its input interface: 4:4:4, 4:2:2 or 4:2:0 color modes with 12-bit samples. It generates a j2c JPEG 2000 stream at its output interface. In case of 4:4:4 operation this stream is DCI compliant.

The core is optimized for speed and is able to deal with the demanding DCI and HD processing speeds: it is able to provide a single-chip FPGA solution for all 2K @24 fps, 2K @48fps, 4K @24fps, 720p30/60, 1080i and 1080p30/60 distributions. The flexible FPGA architecture allows the user to build a secure encoder by integrating Barco Silex cryptography encoders (DCI AES).

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