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next_rtp is not needed in time sync

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fduncanh
2022-04-27 13:21:26 -04:00
parent 7a9631d82b
commit 3a6cd39053
1 changed files with 3 additions and 3 deletions
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6
lib/raop_rtp.c
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@@ -454,7 +454,7 @@ raop_rtp_thread_udp(void *arg)
// 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);
uint32_t next_rtp = byteutils_get_int_be(packet, 16);
// 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 */
@@ -463,8 +463,8 @@ raop_rtp_thread_udp(void *arg)
uint64_t sync_ntp_local = raop_ntp_convert_remote_time(raop_rtp->ntp, sync_ntp_remote);
raop_rtp_sync_clock(raop_rtp, sync_rtp, sync_ntp_local);
logger_log(raop_rtp->logger, LOGGER_DEBUG, "raop_rtp sync: ntp=%llu, local ntp: %llu, rtp=%u, rtp_next=%u",
sync_ntp_remote, sync_ntp_local, sync_rtp, next_rtp);
logger_log(raop_rtp->logger, LOGGER_DEBUG, "raop_rtp sync: ntp=%llu, local ntp: %llu, rtp=%u",
sync_ntp_remote, sync_ntp_local, sync_rtp);
} else {
logger_log(raop_rtp->logger, LOGGER_DEBUG, "raop_rtp unknown packet");