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• avcodec/vc2enc : Simplify writing dirac golomb codes

  8 mars, par Andreas Rheinhardt

  avcodec/vc2enc: Simplify writing dirac golomb codes
  
  The earlier code used a loop to determine the number of bits used
  and called ff_log2() on a power of two (and it would be easy to
  keep track of the exponent of said power-of-two); neither GCC nor
  Clang optimized the loop away or avoided the ff_log2().
  This patch replaces the loop and the log2 with a single av_log2().
  
  Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavcodec/vc2enc.c

• doc : add swscale rewrite design document

  7 mars, par Niklas Haas

  doc: add swscale rewrite design document
  
  This should hopefully serve as a better introduction to my new swscale
  redesign than hunting down random commit message monologues.
  

  • [DH] doc/swscale-v2.txt

• vulkan_decode : adjust number of async contexts created

  7 mars, par Lynne

  vulkan_decode: adjust number of async contexts created
  
  This caps the number of contexts we create based on thread count.
  This saves VRAM and filters out cases where more async is of lesser
  benefit.
  

  • [DH] libavcodec/vulkan_decode.c

• swscale : fix gray -> grayf32 SIGFPE

  7 mars, par Niklas Haas

  swscale: fix gray -> grayf32 SIGFPE
  
  swscale internals don't distinguish between 16-bit and higher bit depth
  output formats internally when it comes to the choice of intermediate
  representation.
  
  Clamping this value both prevents a SIGFPE and also aligns the check
  with reality.
  

  • [DH] libswscale/swscale.c

• avcodec/rl : Avoid temporary stack VLC array during RL VLC init

  7 mars, par Andreas Rheinhardt

  avcodec/rl: Avoid temporary stack VLC array during RL VLC init
  
  Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavcodec/rl.c