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1. Install dependencies packages

sudo apt-get install git-core libmagickwand-dev libraqm-dev

2. Clone

git clone https://github.com/nagadomi/nunif.git
cd nunif

If you want to use the dev branch, execute the following command.

git clone https://github.com/nagadomi/nunif.git -b dev

or

git fetch --all
git checkout -b dev origin/dev

3. Setup virtualenv (optional)

initialize

python3 -m venv .venv

activate

source .venv/bin/activate

4. Install Pytorch and pip packages

pip3 install -r requirements-torch.txt
pip3 install -r requirements.txt

If you want to use GUI, install wxpython >= 4.0.0

sudo apt-get install python3-wxgtk4.0

or install wheel package from https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ .

pip install -f https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-22.04/ wxpython

or build from source. See Prerequisites first.

sudo apt-get install libgtk-3-dev
pip3 install -r requirements-gui.txt

For instructions on how to build PyAV from source, please refer to Building PyAV from source.

5. Download pre-trained models

waifu2x

python3 -m waifu2x.download_models
python3 -m waifu2x.web.webgen

See also waifu2x README.md

iw3

python -m iw3.download_models

See also iw3 README.md.

Building PyAV from source

Since NVENC is included in the binary package from PyAV 14.2.0, there is no need to build from source if you just want to use NVENC.

If you want to use the LGPL version of ffmpeg or codecs that are not included in PyAV, you can build PyAV from source to link it with your local ffmpeg.

PyAV supports different FFmpeg versions depending on the PyAV version.

  • av==13.1.0 works with FFmpeg 6.x.x (I am not sure of the exact minor version).
  • av==14.3.0 works with FFmpeg 7.1.x.

When use local ffmpeg package.

sudo apt-get install ffmpeg libavcodec-dev libavformat-dev libavdevice-dev libavutil-dev libavfilter-dev libswscale-dev libswresample-dev
pip3 install av==13.1.0 --force-reinstall --no-binary av

You can also specify a GitHub branch instead of using pip sdist.

pip3 install --force-reinstall git+https://github.com/PyAV-Org/PyAV.git@v13.1.0

pip3 install --force-reinstall git+https://github.com/PyAV-Org/PyAV.git@v14.3.0

If you want to specify the path to ffmpeg, you can specify it with PKG_CONFIG_LIBDIR. (In the case of ~/opt/ffmpeg/, for example)

PKG_CONFIG_LIBDIR=~/opt/ffmpeg/lib/pkgconfig pip install --force-reinstall git+https://github.com/PyAV-Org/PyAV.git@v14.3.0

Note that in this case, setting LD_LIBRARY_DIR is required at runtime.

export LD_LIBRARY_PATH=~/opt/ffmpeg/lib:$LD_LIBRARY_PATH
# if needed
# export PATH=~/opt/ffmpeg/bin:$PATH

Binary builds of ffmpeg with various configurations and versions are available from https://github.com/BtbN/FFmpeg-Builds/releases . (*-shared version is required to build.)