ff_flac_write_header  267 libavformat/flacenc.c     ret = ff_flac_write_header(s->pb, par->extradata,
ff_flac_write_header   29 libavformat/flacenc.h int ff_flac_write_header(AVIOContext *pb, const uint8_t *extradata,
ff_flac_write_header  647 libavformat/matroskaenc.c     int ret = ff_flac_write_header(pb, par->extradata, par->extradata_size,