A 252Kgates/4.9Kbytes SRAM/71mW multistandard video decoder for high definition video applications

Abstract

This article proposes a low-cost, low-power multistandard video decoder for high definition (HD) video applications. The proposed design supports multiple-standard (JPEG baseline, MPEG-1/2/4 Simple Profile (SP), and H.264 Baseline Profile (BP)) video decoding through interactive parsing control and common parameter bus interface. In order to reduce hardware cost, the shared adder-based structure and reusable data management are proposed to achieve hardware sharing and reduce internal memory size, respectively. In addition, the proposed design is optimized through reducing memory bandwidth by increasing both data reuse amount and burst length of memory access as well as eliminating cycle overhead in data access for supporting HD video decoding with single AHB-based SDR memory. The proposed 252Kgates/4.9kB/71mW/0.13μm multi-standard video decoder reduces 72% in gate count and 87% in power consumption as compared to the state-of-the-art design, when operating at 120MHz for real-time HD1080 video decoding with single AHB-based SDR memory.

A Programmable Multi-Format Video Decoder

“…Chien's work [1] shows the VLSI design of MultiStandard Multi-Channel Video Decoder. The supported codecs and their profiles are MPEG-2/ MPEG-4 Simple and H.264 Baseline profiles.…”

“…VC-1 is not supported. The design approach of [1] is to fuse everything together and minimize the area. It is a design based on the hardwired logics.…”

“…If individual codecs are designed separately in hardware solutions, there is a large overhead, when these codecs are integrated in a SoC. Several attempts have been made to achieve better areaefficiency by fusing these into one [1]- [4]. They are called multi-format codecs.…”

Contribución a las Metodologías de Optimización del Tiempo de Ejecución de Algoritmos de Descodificación de Video sobre DSPs

“…Posteriormente, la compañía Emuzed presenta en [PMK + 07] una implementación optimizada de un descodificador multiformato (MPEG-2, VC-1 y H.264) para un procesador de Intel denominado Bulverde [BUL04], orientado al desarrollo de aplicaciones inalámbricas. Se trata de un procesador de bajo consumo basado en la arquitectura XScale de Intel al que se le han añadido instrucciones SIMD que permiten operar con varios datos en paralelo.…”