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    13 juin 2013

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

  • dnn_backend_native_layer_mathunary : add round support

    10 août 2020, par Mingyu Yin
    dnn_backend_native_layer_mathunary : add round support

    Signed-off-by : Mingyu Yin <mingyu.yin@intel.com>
    
Reviewed-by : Guo, Yejun <yejun.guo@intel.com>
    • [DH] libavfilter/dnn/dnn_backend_native_layer_mathunary.c
    • [DH] libavfilter/dnn/dnn_backend_native_layer_mathunary.h
    • [DH] tests/dnn/dnn-layer-mathunary-test.c
    • [DH] tools/python/convert_from_tensorflow.py
    • [DH] tools/python/convert_header.py

  • avcodec/h264_slice : compute and export film grain seed

    17 août 2021, par Niklas Haas
    avcodec/h264_slice : compute and export film grain seed

    From SMPTE RDD 5-2006, the grain seed is to be computed from the
    
following definition of `pic_offset` :
    

    > When decoding H.264 | MPEG-4 AVC bitstreams, pic_offset is defined as
    
> follows :
    
>   - pic_offset = PicOrderCnt(CurrPic) + (PicOrderCnt_offset << 5)
    
> where :
    
>   - PicOrderCnt(CurrPic) is the picture order count of the current frame,
    
>     which shall be derived from [the video stream].
    
>
    
>   - PicOrderCnt_offset is set to idr_pic_id on IDR frames. idr_pic_id
    
>     shall be read from the slice header of [the video stream]. On non-IDR I
    
>     frames, PicOrderCnt_offset is set to 0. A frame shall be classified as I
    
>     frame when all its slices are I slices, which may be optionally
    
>     designated by setting primary_pic_type to 0 in the access delimiter NAL
    
>     unit. Otherwise, PicOrderCnt_offset it not changed. PicOrderCnt_offset is
    
>     updated in decoding order.
    

    Co-authored-by : James Almer <jamrial@gmail.com>
    
Signed-off-by : Niklas Haas <git@haasn.dev>
    
Signed-off-by : James Almer <jamrial@gmail.com>
    • [DH] libavcodec/h264_slice.c
    • [DH] libavcodec/h264dec.c
    • [DH] libavcodec/h264dec.h
    • [DH] libavutil/film_grain_params.h

  • Revision e714b366d2 : Merge changes I320e160e,Iddd99733 into experimental * changes : Removing round

    19 avril 2013, par John Koleszar

    Merge changes I320e160e,Iddd99733 into experimental * changes : Removing rounding from UV MV calculation make buid_inter_predictors block size agnostic (luma)

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