Research and implementation of MPEG-2 hardware decoding based on XvMC
Pin Wu · Jisuanji gongcheng yu sheji · 2010
The study on leveraging the GPU to accelerate the video decoding is presented,the system framework of decoding of MPEG-2(moving pictures experts group) is summarized,the realization of MPEG-2 hardware decoding using XvMC(X video motion compensation) based on general programmable GPU is expounded,and especially the implementation and optimization of motion compensation and IDCT are discussed.The algorithm of MPEG-2 decoding can be used in many situations.The experimental results show that significant speed-up can be achieved,CPU utilization and compute energy can be reduced significantly by utilizing the GPU power.