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Fix #1310 (strip RTP header extensions)

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This commit is contained in:
Amish Shah
2017-09-05 19:14:54 +01:00
parent 9e66e806ce
commit 99419a3670
1 changed files with 19 additions and 0 deletions
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19
src/client/voice/receiver/VoiceReceiver.js
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@@ -162,6 +162,25 @@ class VoiceReceiver extends EventEmitter {
return;
}
data = Buffer.from(data);
// Strip RTP Header Extensions (one-byte only)
if (data[0] === 0xBE && data[1] === 0xDE && data.length > 4) {
const headerExtensionLength = data.readUInt16BE(2);
let offset = 4;
for (let i = 0; i < headerExtensionLength; i++) {
const byte = data[offset];
offset++;
if (byte === 0) {
continue;
}
offset += 1 + (0b1111 & (byte >> 4));
}
while (data[offset] === 0) {
offset++;
}
data = data.slice(offset);
}
if (this.opusStreams.get(user.id)) this.opusStreams.get(user.id)._push(data);
/**
* Emitted whenever voice data is received from the voice connection. This is _always_ emitted (unlike PCM).