+ break;
+ case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
+ {
+ /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
+ if ((*desc)->getLength() != 4)
+ break;
+ unsigned char descr[6];
+ (*desc)->writeToBuffer(descr);
+ int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
+ switch (format_identifier)
+ {
+ case 0x41432d33:
+ isaudio = 1;
+ default:
+ break;
+ }