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Reject video packets beyond our valid sequence number range for the FEC block

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This commit is contained in:
Cameron Gutman 2023-10-11 17:32:39 -05:00
parent 836bc6611f
commit 574ad6e676
1 changed files with 4 additions and 3 deletions
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7
src/RtpVideoQueue.c
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@ -700,9 +700,10 @@ int RtpvAddPacket(PRTP_VIDEO_QUEUE queue, PRTP_PACKET packet, int length, PRTPV_
queue->bufferHighestSequenceNumber = U16(queue->bufferFirstParitySequenceNumber + queue->bufferParityPackets - 1); queue->bufferHighestSequenceNumber = U16(queue->bufferFirstParitySequenceNumber + queue->bufferParityPackets - 1);
queue->multiFecCurrentBlockNumber = fecCurrentBlockNumber; queue->multiFecCurrentBlockNumber = fecCurrentBlockNumber;
queue->multiFecLastBlockNumber = (nvPacket->multiFecBlocks >> 6) & 0x3; queue->multiFecLastBlockNumber = (nvPacket->multiFecBlocks >> 6) & 0x3;
} else if (isBefore16(queue->bufferHighestSequenceNumber, packet->sequenceNumber)) { }
// In rare cases, we get extra parity packets. It's rare enough that it's probably
// not worth handling, so we'll just drop them. // Reject packets above our FEC queue valid sequence number range
if (isBefore16(queue->bufferHighestSequenceNumber, packet->sequenceNumber)) {
return RTPF_RET_REJECTED; return RTPF_RET_REJECTED;
} }