RedSparkContext    57 libavformat/redspark.c     RedSparkContext *redspark = s->priv_data;
RedSparkContext   142 libavformat/redspark.c     RedSparkContext *redspark = s->priv_data;
RedSparkContext   165 libavformat/redspark.c     .priv_data_size =   sizeof(RedSparkContext),