The source project of this merge request has been removed.
improve nvidia support by adding gpu flags
related to #808
see: https://trac.ffmpeg.org/wiki/HWAccelIntro#CUDANVENCNVDEC
Edited by Farid Abdelnour
related to #808
see: https://trac.ffmpeg.org/wiki/HWAccelIntro#CUDANVENCNVDEC