add proper rescaling function in core
There's rescale helpers in adaptive and MP4, but it only prevents small overflow rescaling issues like clock_freq (+19bits)
We need vlc_rescale() fully overflow proof like av_rescale()
There's rescale helpers in adaptive and MP4, but it only prevents small overflow rescaling issues like clock_freq (+19bits)
We need vlc_rescale() fully overflow proof like av_rescale()
VideoLAN code repository instance