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Low-Latency AVC/H.264 Baseline Profile Decoder Core
The H264-D-BP IP core is a video decoder complying with the Constrained Baseline Profile of the ISO/IEC 14496-10/ITU-T H.264 standard. It implements a hardware decoder with very low latency and high throughput that is suitable for live streaming and other delay-sensitive applications up to full HD resolution.
The decoder adds just one macroblock line of latency, which means a negligible real-world latency under one msec for most widely used video formats, including HD/720p and Full-HD/1080p video.
The H264-D-BP is designed for straightforward, trouble-free SoC integration. It operates on a stand-alone basis such that decoding proceeds with no assistance or input from the host processor. The decoder’s memory interface—used to store reconstructed video data—is extremely flexible: it operates on a separate clock domain, is independent from the external memory type and memory controller, and is tolerant to large latencies. The decoder reports decompressed video parameters, detects and reports bit stream errors to the system, and simplifies video cropping at its output. The core is optionally delivered with a raster-to-block converter, and wrappers for AMBA® AHB, AXI, or AXI-Streaming buses are available.
The decoder adds just one macroblock line of latency, which means a negligible real-world latency under one msec for most widely used video formats, including HD/720p and Full-HD/1080p video.
The H264-D-BP is designed for straightforward, trouble-free SoC integration. It operates on a stand-alone basis such that decoding proceeds with no assistance or input from the host processor. The decoder’s memory interface—used to store reconstructed video data—is extremely flexible: it operates on a separate clock domain, is independent from the external memory type and memory controller, and is tolerant to large latencies. The decoder reports decompressed video parameters, detects and reports bit stream errors to the system, and simplifies video cropping at its output. The core is optionally delivered with a raster-to-block converter, and wrappers for AMBA® AHB, AXI, or AXI-Streaming buses are available.
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Block Diagram of the Low-Latency AVC/H.264 Baseline Profile Decoder Core
