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Les articles publiés sur le site

• nvenc : drop the hard dependency on CUDA

  13 mai 2016, par Anton Khirnov

  nvenc: drop the hard dependency on CUDA
  
  The code needs only a few definitions from cuda.h, so define them
  directly when CUDA is not enabled. CUDA is still required for accepting
  HW frames as input.
  
  Based on the code by Timo Rothenpieler <timo@rothenpieler.org>.
  

  • [DBH] configure
  • [DBH] libavcodec/nvenc.c
  • [DBH] libavcodec/nvenc.h

• nvenc : only support HW frames when CUDA is enabled

  13 mai 2016, par Anton Khirnov

  nvenc: only support HW frames when CUDA is enabled
  
  hwcontext_cuda.h includes cuda.h, so this will allow building nvenc
  without depending on cuda.h
  

  • [DBH] libavcodec/nvenc.c

• avpacket : fix setting AVPacket.data in av_packet_ref()

  12 mai 2016, par Anton Khirnov

  avpacket: fix setting AVPacket.data in av_packet_ref()
  
  The data field does not necessarily point to the beginning of the
  underlying AVBuffer.
  
  CC: libav-stable@libav.org
  

  • [DBH] libavcodec/avpacket.c

• h264 : factor out setting the parameter sets for a frame

  12 mai 2016, par Anton Khirnov

  h264: factor out setting the parameter sets for a frame
  

  • [DBH] libavcodec/h264.h
  • [DBH] libavcodec/h264_slice.c

• h264 : pass just the PPS to get_chroma_qp()

  12 mai 2016, par Anton Khirnov

  h264: pass just the PPS to get_chroma_qp()
  
  It does not need the whole context. This will simplify the following
  commit.
  

  • [DBH] libavcodec/h264.h
  • [DBH] libavcodec/h264_cabac.c
  • [DBH] libavcodec/h264_cavlc.c
  • [DBH] libavcodec/h264_loopfilter.c
  • [DBH] libavcodec/h264_slice.c