ff_id3v2_write_simple  103 libavformat/adtsenc.c         ff_id3v2_write_simple(s, 4, ID3v2_DEFAULT_MAGIC);
ff_id3v2_write_simple  147 libavformat/id3v2.h int ff_id3v2_write_simple(struct AVFormatContext *s, int id3v2_version, const char *magic);
ff_id3v2_write_simple   52 libavformat/omaenc.c     ff_id3v2_write_simple(s, 3, ID3v2_EA3_MAGIC);