SUP_PGS_MAGIC 44 libavformat/supdec.c if (avio_rb16(s->pb) != SUP_PGS_MAGIC) SUP_PGS_MAGIC 81 libavformat/supdec.c if (AV_RB16(buf) != SUP_PGS_MAGIC) SUP_PGS_MAGIC 55 libavformat/supenc.c avio_wb16(s->pb, SUP_PGS_MAGIC);