Abstract: This paper introduces the implementation of h.264 video encoder based on embedded platform PXA255. Based on the description of the hardware structure design of the video encoder and the implementation of the video acquisition software, this paper introduces in detail some improvements of h.264 on the video encoding standard and the optimization of h.264 encoding program based on PXA255 structure and ARM assembly instructions. Experimental results show that the optimized h.264 encoding program can encode the acquired video in real time, and the video encoder runs well.
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