for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
desc != (*es)->getDescriptors()->end(); ++desc)
{
uint8_t tag = (*desc)->getTag();
if (!isaudio && !isvideo)
{
for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
desc != (*es)->getDescriptors()->end(); ++desc)
{
uint8_t tag = (*desc)->getTag();
if (!isaudio && !isvideo)
{