| 456 | } |
| 457 | |
| 458 | static int parse_section_header(SectionHeader *h, |
| 459 | const uint8_t **pp, const uint8_t *p_end) |
| 460 | { |
| 461 | int val; |
| 462 | |
| 463 | val = get8(pp, p_end); |
| 464 | if (val < 0) |
| 465 | return -1; |
| 466 | h->tid = val; |
| 467 | *pp += 2; |
| 468 | val = get16(pp, p_end); |
| 469 | if (val < 0) |
| 470 | return -1; |
| 471 | h->id = val; |
| 472 | val = get8(pp, p_end); |
| 473 | if (val < 0) |
| 474 | return -1; |
| 475 | h->version = (val >> 1) & 0x1f; |
| 476 | val = get8(pp, p_end); |
| 477 | if (val < 0) |
| 478 | return -1; |
| 479 | h->sec_num = val; |
| 480 | val = get8(pp, p_end); |
| 481 | if (val < 0) |
| 482 | return -1; |
| 483 | h->last_sec_num = val; |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | typedef struct { |
| 488 | uint32_t stream_type; |