Merge pull request #773 from CrHasher/yadif_hwdfix

Disable Yadif activated by mistake for first frame decode

diff --cc xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodecFFmpeg.cpp
index 48b7d45,0c0eca3..fdd1112
--- 1/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodecFFmpeg.cpp
--- 2/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodecFFmpeg.cpp
+++ b/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodecFFmpeg.cpp
@@@ -662,9 -706,15 +662,15 @@@ int CDVDVideoCodecFFmpeg::FilterOpen(co
    if (m_pFilterGraph)
      FilterClose();
  
 -  if (filters.IsEmpty())
 +  if (filters.IsEmpty() && !scale)
      return 0;
  
+   if (m_pHardware)
+   {
+     CLog::Log(LOGWARNING, "CDVDVideoCodecFFmpeg::FilterOpen - skipped opening filters on hardware decode");
+     return 0;
+   }
+ 
    if (!(m_pFilterGraph = m_dllAvFilter.avfilter_graph_alloc()))
    {
      CLog::Log(LOGERROR, "CDVDVideoCodecFFmpeg::FilterOpen - unable to alloc filter graph");