void gf_isom_ismacryp_delete_sample(GF_ISMASample *samp)
{
	if (!samp) return;
	if (samp->data && samp->dataLength) gf_free(samp->data);
	if (samp->key_indicator) gf_free(samp->key_indicator);
	gf_free(samp);
}
void gf_isom_ismacryp_delete_sample(GF_ISMASample *samp)
{
	if (!samp) return;
	if (samp->data && samp->dataLength) gf_free(samp->data);
	if (samp->key_indicator) gf_free(samp->key_indicator);
	gf_free(samp);
}