A Parallelized Implementation for H. 264 Real-time Encoding Scheme

Young Chun Kwon, Chanho Park, Daeseok Oh, WooSuk Jang, Nakhoon Baek
School of Computer Sci. and Eng., Kyungpook National University, Daegu 702-701, Korea
International Journal of Control and Automation, Vol.7, No.6, pp.379-388, 2014


   title={A Parallelized Implementation for H. 264 Real-time Encoding Scheme},

   author={Kwon, Young Chun and Park, Chanho and Oh, Daeseok and Jang, WooSuk and Baek, Nakhoon},



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In this paper, a high-speed video stream encoder for the H.264 digital video codec standard specification is accelerated with nowadays parallel processing architectures. Based on the parallel processing techniques with GPU’s, we used an OpenCL-based GPU kernel programs, and finally achieved a high-level CPU-GPU interoperability. In its design, our system makes the CPU perform all input/output operations and overall stream control, while GPU does the core encoding operations. Our final result shows remarkable speed-up in comparison with the previous implementations. All the details of our implementation are presented in this paper.
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