Fix pixel format#39

Merged

MarcAntoine-Arnaud merged 2 commits intoavTranscoder:masterfrom

cchampet:fix_pixelFormat

Aug 5, 2014

Commits on Aug 4, 2014

VideoStreamPropertiers: fix pixFmt
Clement Champetier
committed
Pixel: throw if unable to find pixel format.
Clement Champetier
committed