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Les articles publiés sur le site

• lavc : set avctx->hwaccel before init

  6 juin 2017, par wm4

  lavc: set avctx->hwaccel before init
  
  So a hwaccel can access avctx->hwaccel in init for whatever reason. This
  is for the new d3d hwaccel API. We could create separate entrypoints for
  each of the 3 hwaccel types (dxva2, d3d11va, new d3d11va), but this
  seems nicer.
  
  Signed-off-by: Diego Biurrun <diego@biurrun.de>
  

  • [DBH] libavcodec/decode.c

• lavu : add new D3D11 pixfmt and hwcontext

  6 juin 2017, par wm4

  lavu: add new D3D11 pixfmt and hwcontext
  
  To be used with the new d3d11 hwaccel decode API.
  
  With the new hwaccel API, we don't want surfaces to depend on the
  decoder (other than the required dimension and format). The old D3D11VA
  pixfmt uses ID3D11VideoDecoderOutputView pointers, which include the
  decoder configuration, and thus is incompatible with the new hwaccel
  API. This patch introduces AV_PIX_FMT_D3D11, which uses ID3D11Texture2D
  and an index. It's simpler and compatible with the new hwaccel API.
  
  The introduced hwcontext supports only the new pixfmt.
  
  Frame upload code untested.
  
  Significantly based on work by Steve Lhomme <robux4@gmail.com>, but with
  heavy changes/rewrites.
  
  Signed-off-by: Diego Biurrun <diego@biurrun.de>
  

  • [DBH] doc/APIchanges
  • [DBH] libavutil/Makefile
  • [DBH] libavutil/hwcontext.c
  • [DBH] libavutil/hwcontext.h
  • [DBH] libavutil/hwcontext_d3d11va.c
  • [DBH] libavutil/hwcontext_d3d11va.h
  • [DBH] libavutil/hwcontext_internal.h
  • [DBH] libavutil/pixdesc.c
  • [DBH] libavutil/pixfmt.h
  • [DBH] libavutil/version.h

• configure : Factorize qsv dependencies

  6 juin 2017, par Diego Biurrun

  configure: Factorize qsv dependencies
  

  • [DBH] configure

• os_support : Remove the dynamic loading of getaddrinfo from the fallback getaddrinfo

  31 mai 2017, par Martin Storsjö

  os_support: Remove the dynamic loading of getaddrinfo from the fallback getaddrinfo
  
  If we for some unexplicable reason didn't pick up getaddrinfo
  at configure, the default, IPv4-only, fallback should be good enough.
  
  This effectively reverts 6023d84a2b7.
  
  Signed-off-by: Martin Storsjö <martin@martin.st>
  

  • [DBH] libavformat/os_support.c

• configure : Default to _WIN32_WINNT=0x0502 (XP) as minimum, for legacy mingw

  31 mai 2017, par Martin Storsjö

  configure: Default to _WIN32_WINNT=0x0502 (XP) as minimum, for legacy mingw
  
  This makes the getaddrinfo functions visible, which aren't normally
  by default on legacy mingw.
  
  We already force __MSVCRT_VERSION__ to an XP version.
  
  Signed-off-by: Martin Storsjö <martin@martin.st>
  

  • [DBH] configure