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Les articles publiés sur le site

  • aarch64 : vp9itxfm : Reorder iadst16 coeffs

    31 décembre 2016, par Martin Storsjö
    aarch64: vp9itxfm: Reorder iadst16 coeffs
    
    This matches the order they are in the 16 bpp version.
    
    There they are in this order, to make sure we access them in the
    same order they are declared, easing loading only half of the
    coefficients at a time.
    
    This makes the 8 bpp version match the 16 bpp version better.
    
    Signed-off-by: Martin Storsjö <martin@martin.st>
    
    • [DBH] libavcodec/aarch64/vp9itxfm_neon.S
  • arm : vp9itxfm : Reorder iadst16 coeffs

    31 décembre 2016, par Martin Storsjö
    arm: vp9itxfm: Reorder iadst16 coeffs
    
    This matches the order they are in the 16 bpp version.
    
    There they are in this order, to make sure we access them in the
    same order they are declared, easing loading only half of the
    coefficients at a time.
    
    This makes the 8 bpp version match the 16 bpp version better.
    
    Signed-off-by: Martin Storsjö <martin@martin.st>
    
    • [DBH] libavcodec/arm/vp9itxfm_neon.S
  • aarch64 : vp9itxfm : Reorder the idct coefficients for better pairing

    31 décembre 2016, par Martin Storsjö
    aarch64: vp9itxfm: Reorder the idct coefficients for better pairing
    
    All elements are used pairwise, except for the first one.
    Previously, the 16th element was unused. Move the unused element
    to the second slot, to make the later element pairs not split
    across registers.
    
    This simplifies loading only parts of the coefficients,
    reducing the difference to the 16 bpp version.
    
    Signed-off-by: Martin Storsjö <martin@martin.st>
    
    • [DBH] libavcodec/aarch64/vp9itxfm_neon.S
  • arm : vp9itxfm : Reorder the idct coefficients for better pairing

    31 décembre 2016, par Martin Storsjö
    arm: vp9itxfm: Reorder the idct coefficients for better pairing
    
    All elements are used pairwise, except for the first one.
    Previously, the 16th element was unused. Move the unused element
    to the second slot, to make the later element pairs not split
    across registers.
    
    This simplifies loading only parts of the coefficients,
    reducing the difference to the 16 bpp version.
    
    Signed-off-by: Martin Storsjö <martin@martin.st>
    
    • [DBH] libavcodec/arm/vp9itxfm_neon.S
  • configure : Fix typo in incdir variable written to config.sh

    29 décembre 2016, par Diego Biurrun
    configure: Fix typo in incdir variable written to config.sh
    
    This fixes includedir lines in pkg-config files broken after 92db508307.
    
    • [DBH] configure