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some refactoring patch, added multi-version support, added patch for 396.24 driver

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2018-06-20 17:29:59 +07:00
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README.md
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# nvidia-patch
requirements:
- ubuntu 14.04
- nvenc-compatible gpu
- nvidia 375.39 driver
Requirements:
- ubuntu (< 16.04 for 375.39 nvidia driver or kernel < 4.15)
- nvenc-compatible gpu (https://developer.nvidia.com/video-encode-decode-gpu-support-matrix#Encoder)
- nvidia driver (patch availible for 375.39 or 396.24)
# step-by-step :
Tested on Ubuntu 18.04 LTS (GNU/Linux 4.15.0-23-generic x86_64)
Download driver: https://yadi.sk/d/yahf1Y-D3PJnzd
## step-by-step :
### Download driver
http://us.download.nvidia.com/XFree86/Linux-x86_64/375.39/NVIDIA-Linux-x86_64-375.39.run
http://us.download.nvidia.com/XFree86/Linux-x86_64/396.24/NVIDIA-Linux-x86_64-396.24.run
### Install driver 396.24
```bash
mkdir /opt/nvidia && cd /opt/nvidia
wget http://us.download.nvidia.com/XFree86/Linux-x86_64/396.24/NVIDIA-Linux-x86_64-396.24.run
chmod +x ./NVIDIA-Linux-x86_64-375.39.run
./NVIDIA-Linux-x86_64-375.39.run
./NVIDIA-Linux-x86_64-396.24.run
```
check driver:
### Check driver
```bash
nvidia-smi
```
mkdir ~/nvenc_backup
### Patch libnvidia-encode.so (with backup)
```bash
bash ./patch.sh
```
cd ~/nvenc_backup
### Silent patch libnvidia-encode.so
```bash
bash ./patch.sh -s
```
cp /usr/lib/x86_64-linux-gnu/libnvidia-encode.so.375.39 ~/nvenc_backup/
wget https://raw.githubusercontent.com/keylase/nvidia-patch/master/patch.sh
chmod +x patch.sh
./patch.sh ~/nvenc_backup/libnvidia-encode.so.375.39 /usr/lib/x86_64-linux-gnu/libnvidia-encode.so.375.39
reboot
### Rollback libnvidia-encode.so (restore from backup)
```bash
bash ./patch.sh -r
```
## See also
https://habr.com/post/262563/
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](https://gist.github.com/Snawoot/70ae403716c698cb86ab015626d72bd4).