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This commit is contained in:
fduncanh
2022-04-27 13:17:01 -04:00
parent 82303e8be7
commit 0651a440be
1 changed files with 4 additions and 4 deletions
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8
lib/raop_rtp.c
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@@ -453,11 +453,11 @@ raop_rtp_thread_udp(void *arg)
} else if (type_c == 0x54 && packetlen >= 20) {
// The unit for the rtp clock is 1 / sample rate = 1 / 44100
uint32_t sync_rtp = byteutils_get_int_be(packet, 4);
uint64_t sync_ntp_raw = byteutils_get_long_be(packet, 8);
uint64_t sync_ntp_raw = byteutils_get_long_be(packet, 8);
uint32_t next_rtp = byteutils_get_int_be(packet, 16);
// next_rtp = sync_rtp + 7497 = 441 * 17 (0.17 sec) for AAC_ELD
// next_rtp = sync_rtp + 77175 = 441 * 175 (1.75 sec) for ALAC
/* subtract 44100/4 from sync_rtp */
// next_rtp = sync_rtp + 7497 = 441 * 17 (0.17 sec) for AAC_EL
// next_rtp = sync_rtp + 77175 = 441 * 175 (1.75 sec) for ALAC
/* subtract 44100/4 from sync_rtp */
sync_rtp -= 11025;
uint64_t sync_ntp_remote = raop_ntp_timestamp_to_micro_seconds(sync_ntp_raw, true);
uint64_t sync_ntp_local = raop_ntp_convert_remote_time(raop_rtp->ntp, sync_ntp_remote);