Abstract
This paper presents a novel low-cost high-performance CAVLC decoder for H.264/AVC. The proposed CAVLC decoder generates the length of coeff_token and total_zeros symbols with simple arithmetic operation. So, it can be implemented with reduced look-up table. And we propose multi-symbol run_before decoder which has enhanced throughput. It can decode more than 2.5 symbols in a cycle if there are run_before symbols to be decoded. The hardware cost is about 12K gates when synthesized at 125MHz.
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