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Code Issues Releases Activity

voice/udp: Reflect upstream changes from Discord

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This commit is contained in:
Stefan Ric 2023-03-20 21:27:59 +01:00 committed by diamondburned
parent ba9d20b34b
commit 82c55dffac
1 changed files with 6 additions and 7 deletions
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13
voice/udp/connection.go
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@ -90,9 +90,8 @@ func DialConnectionCustom(
}
// https://discord.com/developers/docs/topics/voice-connections#ip-discovery
ssrcBuffer := [70]byte{
0x1, 0x2,
}
var ssrcBuffer [74]byte
binary.BigEndian.PutUint16(ssrcBuffer[0:2], 1)
binary.BigEndian.PutUint16(ssrcBuffer[2:4], 70)
binary.BigEndian.PutUint32(ssrcBuffer[4:8], ssrc)
@ -101,15 +100,15 @@ func DialConnectionCustom(
return nil, errors.Wrap(err, "failed to write SSRC buffer")
}
var ipBuffer [70]byte
var ipBuffer [74]byte
// ReadFull makes sure to read all 70 bytes.
// ReadFull makes sure to read all 74 bytes.
_, err = io.ReadFull(conn, ipBuffer[:])
if err != nil {
return nil, errors.Wrap(err, "failed to read IP buffer")
}
ipbody := ipBuffer[4:68]
ipbody := ipBuffer[8:72]
nullPos := bytes.Index(ipbody, []byte{'\x00'})
if nullPos < 0 {
@ -117,7 +116,7 @@ func DialConnectionCustom(
}
ip := ipbody[:nullPos]
port := binary.LittleEndian.Uint16(ipBuffer[68:70])
port := binary.LittleEndian.Uint16(ipBuffer[72:74])
// https://discord.com/developers/docs/topics/voice-connections#encrypting-and-sending-voice
packet := [12]byte{