if (link->type == AVMEDIA_TYPE_VIDEO) {
if(ref && ref->type == AVMEDIA_TYPE_VIDEO){
+ //FIXME: This should check for AV_PIX_FMT_FLAG_ALPHA after PAL8 pixel format without alpha is implemented
int has_alpha= av_pix_fmt_desc_get(ref->format)->nb_components % 2 == 0;
enum AVPixelFormat best= AV_PIX_FMT_NONE;
int i;