x265 HEVC Encoder / H.265 Video Codec

X 265. x265 is the leading H.265 / HEVC encoder software library. Compress video with higher quality and lower bit rates than H.264. Open...

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X265.org news digest

  • 5 years

    Meet us at IBC 2018!

    Make sure to visit us at our kiosk in the Intel booth at 5.B65, where we will be demonstrating enhancements to x265 that improve the throughput of encoding for ABR streaming by over 2X by leveraging Machine Learning on the CPU. We continue to innovate...

  • 5 years

    Adaptive Multi-Resolution Encoding in x265

    By Bhavna Hariharan
    x265’s ability to leverage AI to accelerate encoding Adaptive Bitrate Streaming (ABR) has been presented in the paper titled “Adaptive Multi-Resolution Encoding Scheme for ABR Streaming” that is to appear in the proceedings of IEEE International Conference...

  • 5 years

    Performance and Energy Consumption Analysis of x265

    By Dieison Silveira (Ph.D. Student, PGMICRO/UFRGS)
    & Vignesh V Menon
    A detailed energy consumption analysis, accounting for the consumption components of CPU, cache memories and main memory, for all x265 presets executing in a multi-core system was presented in the paper titled ‘Performance and Energy Consumption Analysis...

  • 5 years

    Detailed white-paper on our results from AVX512 acceleration

    By Pradeep Ramachandran
    A month or so back, we published a white-paper that gave high-level results on the encoder gains that we saw from our recently implemented AVX512 kernels in x265. We have now published a more detailed paper that tears the results down into more detail...

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Updated: March 21, 2020
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Created: March 20, 2013

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