Fixed eos detection in muxer when mpeg-4 carousel is used
Fixed eos detection in muxer when mpeg-4 carousel is used

DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf