gf_isom_remove_samp_enc_box 2212 include/gpac/isomedia.h GF_Err gf_isom_remove_samp_enc_box(GF_ISOFile *the_file, u32 trackNumber);
gf_isom_remove_samp_enc_box 1610 src/media_tools/ismacryp.c 	gf_isom_remove_samp_enc_box(mp4, track);