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This patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.
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README.md

nvidia-patch

requirements:

  • Ubuntu 17.10
  • nvenc-compatible gpu
  • nvidia 378.13 driver

step-by-step :

Download driver: https://yadi.sk/d/d87mf0y03WTbb5

chmod +x ./NVIDIA-Linux-x86_64-378.13.run

./NVIDIA-Linux-x86_64-378.13.run

check driver:

nvidia-smi

mkdir ~/nvenc_backup

cd ~/nvenc_backup

cp /usr/lib/x86_64-linux-gnu/libnvidia-encode.so.378.13 ~/nvenc_backup/

wget https://raw.githubusercontent.com/keylase/nvidia-patch/master/patch.sh

chmod +x patch.sh

./patch.sh ~/nvenc_backup/libnvidia-encode.so.378.13 /usr/lib/x86_64-linux-gnu/libnvidia-encode.so.378.13

reboot

See also

If you experience CreateBitstreamBuffer failed: out of memory (10), then you have to lower buffers number used for every encoding session. If you are using ffmpeg, consider using this patch.