gf_isom_get_track_switch_parameter 2658 applications/mp4box/filedump.c 			const u32 *criterias = gf_isom_get_track_switch_parameter(file, trackNum, i+1, &switchGroupID, &nb_crit);
gf_isom_get_track_switch_parameter 2444 include/gpac/isomedia.h const u32 *gf_isom_get_track_switch_parameter(GF_ISOFile *movie, u32 trackNumber, u32 group_index, u32 *switchGroupID, u32 *criteriaListSize);