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    Puis-je poster des contenus à partir d’une tablette Ipad ?
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Sur d’autres sites (7721)

  • ffv1 : add a Vulkan-based decoder

    10 mars, par Lynne
    ffv1 : add a Vulkan-based decoder

    This patch adds a fully-featured level 3 and 4 decoder for FFv1,
    
supporting Golomb and all Range coding variants, all pixel formats,
    
and all features, except for the newly added floating-point formats.
    

    On a 6000 Ada, for 3840x2160 bgr0 content at 50Mbps (standard desktop
    
recording), it is able to do 400fps.
    
An Alder Lake with 24 threads can barely do 100fps.
    • [DH] configure
    • [DH] libavcodec/Makefile
    • [DH] libavcodec/ffv1dec.c
    • [DH] libavcodec/hwaccels.h
    • [DH] libavcodec/vulkan/Makefile
    • [DH] libavcodec/vulkan/common.comp
    • [DH] libavcodec/vulkan/ffv1_common.comp
    • [DH] libavcodec/vulkan/ffv1_dec.comp
    • [DH] libavcodec/vulkan/ffv1_dec_rct.comp
    • [DH] libavcodec/vulkan/ffv1_dec_setup.comp
    • [DH] libavcodec/vulkan/ffv1_rct.comp
    • [DH] libavcodec/vulkan/ffv1_vlc.comp
    • [DH] libavcodec/vulkan/rangecoder.comp
    • [DH] libavcodec/vulkan_decode.c
    • [DH] libavcodec/vulkan_ffv1.c

  • x86 : SSSE3 LUT-based faster coeff_level_run

    5 avril 2013, par Jason Garrett-Glaser
    x86 : SSSE3 LUT-based faster coeff_level_run

     2x faster coeff_level_run.
    
Faster CAVLC encoding : 1%,2%,7% overall with superfast,medium,slower.
    
Uses the same pshufb LUT abuse trick as in the previous ads_mvs patch.
    • [DH] common/bitstream.h
    • [DH] common/quant.c
    • [DH] common/x86/const-a.asm
    • [DH] common/x86/pixel-a.asm
    • [DH] common/x86/quant-a.asm
    • [DH] common/x86/quant.h
    • [DH] common/x86/x86inc.asm
    • [DH] encoder/cavlc.c
    • [DH] tools/checkasm.c

  • Add HW H.264 and HEVC encoding for AMD GPUs based on AMF SDK

    27 novembre 2017, par Mikhail Mironov
    Add HW H.264 and HEVC encoding for AMD GPUs based on AMF SDK

    Requires AMF headers for at least version 1.4.4.1.
    

    Signed-off-by : Mikhail Mironov <mikhail.mironov@amd.com>
    
Signed-off-by : Mark Thompson <sw@jkqxz.net>
    • [DH] Changelog
    • [DH] configure
    • [DH] libavcodec/Makefile
    • [DH] libavcodec/allcodecs.c
    • [DH] libavcodec/amfenc.c
    • [DH] libavcodec/amfenc.h
    • [DH] libavcodec/amfenc_h264.c
    • [DH] libavcodec/amfenc_hevc.c

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