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Add workaround for nvstreamer.exe crash on GFE 3.26 when streaming below 720x540

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Cameron Gutman
2022-10-04 18:33:12 -05:00
parent 72f4f9e7b1
commit bfade1d795
1 changed files with 14 additions and 2 deletions
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16
src/SdpGenerator.c
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@@ -197,8 +197,20 @@ static int addGen5Options(PSDP_OPTION* head) {
}
}
// Disable dynamic resolution switching
err |= addAttributeString(head, "x-nv-vqos[0].drc.enable", "0");
if (APP_VERSION_AT_LEAST(7, 1, 446) && (StreamConfig.width < 720 || StreamConfig.height < 540)) {
// We enable DRC with a static DRC table for very low resoutions on GFE 3.26 to work around
// a bug that causes nvstreamer.exe to crash due to failing to populate a list of valid resolutions.
//
// Despite the fact that the DRC table doesn't include our target streaming resolution, we still
// seem to stream at the target resolution, presumably because we don't send control data to tell
// the host otherwise.
err |= addAttributeString(head, "x-nv-vqos[0].drc.enable", "1");
err |= addAttributeString(head, "x-nv-vqos[0].drc.tableType", "2");
}
else {
// Disable dynamic resolution switching
err |= addAttributeString(head, "x-nv-vqos[0].drc.enable", "0");
}
// Recovery mode can cause the FEC percentage to change mid-frame, which
// breaks many assumptions in RTP FEC queue.