Abstract

LANDROVE GAMEZ, Orlando. Functional Model of an H.264 decoder. EAC [online]. 2014, vol.35, n.3, pp. 48-59. ISSN 1815-5928.

Terrestrial Digital Television. (DTV-T) is a constantly evolving technology with current update according to the State of the Art. Its adoption, as well as replacing the traditional analog transmission chain is a fact in many countries, because of its many advantages and synergy with other modern technologies. Cuba, like others, is already in deployment phase, following scripts defined by entities in charge of its proper implementation, where the assimilation of technologies is crucial for a real and independent development in this field. Among the basic blocks that make up the Digital TV chain, the compression and decompression of video are an essential element in a scenario where the bandwidth for transmission is finite and quoted. H.264/MPEG-4 Part 10 is currently the video compression standard widely used for digital television broadcasting. Receptors that fulfill H.264 must be able to decode the format. This paper described the use of software in C language to model the performance of an H.264 decoder. FPGA Virtex 5 from Xilinx is used to embed a system with PowerPC as the main element that will support the proposed model. Through the ML507 Development Board is realized the system operation. H.264 video format files are used, which in turn are decoded to obtain uncompressed video files using YCbCr format. These become the result of the experiment.

Keywords : DTV-T; H.264; YCbCr; FPGA; C language; embedded system; VHDL.

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