[core] Added null-check for buffer extraction procedure (#1391)
[core] Added null-check for buffer extraction procedure (#1391)


Haivision/srt,Cinegy/srt,ethouris/srt,Haivision/srt,Haivision/srt,Cinegy/srt,ethouris/srt,ethouris/srt,Cinegy/srt,Cinegy/srt,ethouris/srt,Haivision/srt