theora: Force b_progressive to true
theora: Force b_progressive to true

Since theora doesn't support interlaced material (Theora spec §1.2)

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc