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Publish and accept track_id as decimal instead of hex

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Changes the mper-derived track_id published over MQTT from hex to
decimal, and updates queue_next to embed the value in the DACP
persistentid query without a 0x prefix, matching the new format.
Queueing behavior (command=add&mode=3) is unchanged.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
zutroy97
2026-07-04 07:55:01 -05:00
co-authored by Claude Sonnet 5
parent 6531f0ef5d
commit 0c946ea040
1 changed files with 4 additions and 4 deletions
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mqtt.c
+4 -4
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@@ -85,9 +85,9 @@ void on_message(__attribute__((unused)) struct mosquitto *mosq,
debug(2, "[MQTT]: Disconnect Command: %s\n", commands[it]);
stop_play(); // stop any current session and don't replace it
} else if (strcmp(commands[it], "queue_next") == 0) {
// payload is "queue_next <track_id>", where <track_id> is the hex track_id
// payload is "queue_next <track_id>", where <track_id> is the decimal track_id
// string as published by shairport-sync itself (see the "mper"/"track_id" handling
// above), e.g. "queue_next 1A2B3C4D5E6F7"
// above), e.g. "queue_next 123456789012345"
char *track_id = payload + strlen(commands[it]);
while (*track_id == ' ' || *track_id == '\t')
track_id++;
@@ -99,7 +99,7 @@ void on_message(__attribute__((unused)) struct mosquitto *mosq,
} else {
char dacp_command[256];
snprintf(dacp_command, sizeof(dacp_command),
"cue?command=add&query='dmap.persistentid:0x%s'&mode=3", track_id);
"cue?command=add&query='dmap.persistentid:%s'&mode=3", track_id);
debug(2, "[MQTT]: Queue Next Command: %s\n", dacp_command);
send_simple_dacp_command(dacp_command);
}
@@ -345,7 +345,7 @@ void mqtt_process_metadata(uint32_t type, uint32_t code, char *data, uint32_t le
trackid = ntohl(*(uint32_t *)data);
trackid = trackid << 32;
trackid += ntohl(*(uint32_t *)(data + sizeof(uint32_t)));
r = snprintf(trackidstring, sizeof(trackidstring), "%" PRIX64 "", trackid);
r = snprintf(trackidstring, sizeof(trackidstring), "%" PRIu64 "", trackid);
mqtt_publish("track_id", trackidstring, r);
}
} else if (type == 'ssnc') {