E1.31: Ignore non-zero start code and preview data

These are not level data, they have other purposes
pull/3052/head
RichardTea 2023-01-30 21:56:36 +00:00 zatwierdzone przez mxklb
rodzic c5569a2a48
commit cca41508bc
1 zmienionych plików z 7 dodań i 1 usunięć

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@ -70,8 +70,14 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
seq = p->art_sequence_number;
mde = REALTIME_MODE_ARTNET;
} else if (protocol == P_E131) {
uni = htons(p->universe);
// Ignore PREVIEW data (E1.31: 6.2.6)
if ((p->options & 0x80) != 0)
return;
dmxChannels = htons(p->property_value_count) -1;
// DMX level data is zero start code. Ignore everything else. (E1.11: 8.5)
if (dmxChannels == 0 || p->property_values[0] != 0)
return;
uni = htons(p->universe);
e131_data = p->property_values;
seq = p->sequence_number;
if (e131Priority != 0) {