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[idd] network: finish fragmented video frames

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Preserve a partially transmitted frame while replacing queued stale
frames. Continuous capture can otherwise discard every frame before the
client receives its final fragment.
This commit is contained in:
Geoffrey McRae
2026-10-01 09:33:57 +10:00
parent 3909a70950
commit abc0ed0654
1 changed files with 14 additions and 1 deletions
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15
idd/LGIdd/transport/network/CNetworkVideo.cpp
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@@ -1609,8 +1609,21 @@ struct CNetworkVideo::Impl
void DropPeerFramesNL(PeerState& peer)
{
// Finish a frame once any of its fragments have been accepted. Replacing
// it mid-flight prevents a continuously changing desktop from ever
// delivering a complete frame on a constrained link.
uint64_t activeFrame = 0;
for (const SendItem& item : m_sends)
if (item.frameID && item.encoded && item.fragmentIndex &&
SamePeer(item.peer, peer.peer))
{
activeFrame = item.frameID;
break;
}
for (auto item = m_sends.begin(); item != m_sends.end();)
if (item->frameID && SamePeer(item->peer, peer.peer))
if (item->frameID && item->frameID != activeFrame &&
SamePeer(item->peer, peer.peer))
{
ReleaseSendAccountingNL(*item);
item = m_sends.erase(item);