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Hardware-Accelerated Video Encoding: The Foundation of Modern Smartphone Videography

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  • Vikramjeet Singh

    (Carnegie Mellon University, USA)

Abstract

This article examines the critical role of dedicated hardware accelerators in enabling professional-grade video capabilities in contemporary mobile devices. By analyzing the architecture, implementation, and integration of video encoder accelerators within smartphone Systems-on-Chip (SoCs), the article explores how these specialized components overcome the inherent constraints of mobile environments while delivering exceptional video quality. The article explores the evolution of video codec implementations from H.264 to HEVC and AV1, highlighting how silicon optimization enables the efficient execution of increasingly complex compression algorithms. Additionally, the article addresses pre-processing enhancement techniques, power efficiency strategies, thermal management approaches, and integration with Image Signal Processors. The synergistic relationship between these components creates a comprehensive video processing pipeline that optimizes image quality before compression. Looking toward future developments, the article identifies emerging trends including AI-assisted encoding, next-generation codecs, and specialized support for augmented and virtual reality applications, illustrating how mobile video technology continues to advance rapidly.

Suggested Citation

  • Vikramjeet Singh, 2025. "Hardware-Accelerated Video Encoding: The Foundation of Modern Smartphone Videography," Journal of Computer Science and Technology Studies, Al-Kindi Center for Research and Development, vol. 7(6), pages 666-671, June.
    • Handle: RePEc:alk:jcsts0:v:7:y:2025:i:6:id:10058
    DOI: 10.32996/jcsts.2025.7.77
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