VideoToolbox Changes for Objective-C
VideoToolbox
VTCompressionSession.h
VTDecompressionSession.h
VTPixelTransferProperties.h (Added)
Added kVTScalingMode_Letterbox
Added kVTScalingMode_Normal
Added kVTScalingMode_Trim
Added #def VT_SUPPORT_COLORSYNC_PIXEL_TRANSFER