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51 lines
3.3 KiB
Cheetah
51 lines
3.3 KiB
Cheetah
NVENC and NvFBC patches for Windows Nvidia drivers
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==================================================
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NVENC patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.
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NvFBC patch (wrapper) allows to use NvFBC on consumer-grade GPUs. See [**nvfbcwrp** (clickable)](nvfbcwrp) directory for details.
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Requirements:
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- Any of following 64bit operating systems:
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- Windows 7
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- Windows 8
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- Windows 8.1
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- Windows 10
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- Windows Server 2008 R2
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- Windows Server 2012
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- Windows Server 2012 R2
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- Windows Server 2016
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- Windows Server 2019
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- NVENC-compatible GPU (https://developer.nvidia.com/video-encode-decode-gpu-support-matrix#Encoder)
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- Nvidia driver. Patch available for versions in [table below](#version-table).
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## NVENC Patch Step-by-Step Guide
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1. Download and install latest Nvidia driver supported by this patch.
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2. Download latest [Win\_1337\_Apply\_Patch tool](https://github.com/Deltafox79/Win_1337_Apply_Patch/releases/latest).
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3. Save patch(es) corresponding to your system, driver and product version from [Version Table](#version-table) using direct link to the patch (Right Click -> Save as...).
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- *Alternatively you may checkout repo using git or download it as ZIP archive and then locate corresponding .1337 patch file in `win` directory.*
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4. Apply x64 library patch to corresponding file in `%WINDIR%\system32\` with the Win\_1337\_Apply\_Patch tool.
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- *If patching fails, close all applications using nvencodeapi64.dll, such as OBS Studio, Plex or Discord.*
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5. Apply x86 library patch to corresponding file in `%WINDIR%\SysWOW64\` in the same way as previous one.
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- *If patching fails, close all applications using nvencodeapi.dll, such as OBS Studio, Plex or Discord.*
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**Example:** for 64bit Windows 10 running driver version $latest_geforce_version, use `win10_x64/$latest_geforce_version/nvencodeapi64.1337` against `C:\WINDOWS\system32\nvencodeapi64.dll` **and** `win10_x64/$latest_geforce_version/nvencodeapi.1337` against `C:\WINDOWS\SysWOW64\nvencodeapi.dll`.
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If you experience issues with streaming software based on Nvidia streaming facilities (Nvidia Shield TV, Moonlight), you also have to import few registry values in order to workaround binary signature mismatch. See [**skip_sig_check** (clickable)](skip_sig_check) directory for instructions.
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A video tutorial is also available. Credits to designator2009. (*Covers older patches. Now we probably don't need to autorun executable if x86 library patch applied*)
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[](https://www.youtube.com/watch?v=y7TRfRsJR-w)
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## Version Table
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$version_table
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## Benchmarks
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* [Plex Media Server: nVidia Hardware Transcoding Calculator for Plex Estimates](https://www.elpamsoft.com/?p=Plex-Hardware-Transcoding) - useful benchmark of achieved simultaneous transcodes with various stream quality and hardware with patched drivers.
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