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Clarify encoding resolution limit comment

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Cameron Gutman 2022-10-25 01:24:57 -05:00
parent 29ac7893d7
commit 59cae610d2
1 changed files with 5 additions and 3 deletions
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8
app/streaming/session.cpp
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@ -797,10 +797,12 @@ bool Session::validateLaunch(SDL_Window* testWindow)
emitLaunchWarning(tr("An attached gamepad has no mapping and won't be usable. Visit the Moonlight help to resolve this."));
}
// NVENC will fail to initialize when using dimensions over 4096 and H.264.
// NVENC will fail to initialize when any dimension exceeds 4096 using:
// - H.264 on all versions of NVENC
// - HEVC prior to Pascal
//
// However, if we aren't using Nvidia hosting software, don't assume anything
// about H.264 capabilities by using HEVC Main10 support. It will likely be wrong.
// However, if we aren't using Nvidia hosting software, don't assume anything about
// encoding capabilities by using HEVC Main 10 support. It will likely be wrong.
if ((m_StreamConfig.width > 4096 || m_StreamConfig.height > 4096) && m_Computer->isNvidiaServerSoftware) {
// Pascal added support for 8K HEVC encoding support. Maxwell 2 could encode HEVC but only up to 4K.
// We can't directly identify Pascal, but we can look for HEVC Main10 which was added in the same generation.