stbl_SetSyncShadow 3330 include/gpac/internal/isomedia_dev.h GF_Err stbl_SetSyncShadow(GF_ShadowSyncBox *stsh, u32 sampleNumber, u32 syncSample);
stbl_SetSyncShadow 3935 src/isomedia/isom_write.c 	return stbl_SetSyncShadow(stbl->ShadowSync, sampleNumber, syncSample);