Video quality assessment tool-VMAF (Mac installation problem and solution record)

Video quality assessment tool-VMAF

- Installation record

According to official documents, or articles of peers, after installing VMAF, various problems have appeared, and they have been solved one by one after a long time. Only this article records.

Installation record

(1) Install python3.5 and above

(2) Preparation of compilation environment

brew install gcc meson doxygen nasm freetype pkg-config hdf5
brew install numpy scipy

(3) Download and install VMAF

# 下载源码
git clone https://github.com/Netflix/vmaf.git
cd vmaf
git submodule update --init --recursive
# 编译
make

You may encounter an error:'mem.h' file not found

Error message:
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A. According to the error message, I see line 22 of vmaf/core/…/…/…/libvmaf/src/feature/adm_tools.c: #include "mem.h" error: mem.h not found
B. find directory Is there mem.h under vmaf

$ find vmaf/ -name mem.h
.//libvmaf/src/mem.h  # 该目录下有mem.h文件

C. Problem solving
Open mem.h and look at it, no other files are referenced, so copy mem.h directly to the same level directory of adm_tools.c.
Execute make clean && make again to compile and pass.
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Continue to install:

cd python
pip3 install cython
pip3 install -r requirements.txt
pip3 install --user .   # 此时，会出现各种报错

Error 2:

vmaf/core/adm_dwt2_cy.c:637:10: fatal error: '../../../libvmaf/src/feature/adm_tools.c' file not found
It is found through ls that the file exists and the relative path is no problem, but the C language is not found. Because C has already been returned to the university teacher, it is temporarily changed to an absolute path (you can leave a message if you know how to solve it)
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After the modification, continue to execute pip3 install --user ., showing that the vmaf installation is successful
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(4) Environment variable configuration

Add export PATH="$PATH:$HOME/.local/bin"to ~/.profile to
execute source ~/.profilethe configuration to take effect

(5) Unit testing

In the vmaf root directory,

./unittest

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The results of the execution may be successful or failed. Continue the steps below.

(6) Test verification

PYTHONPATH=python ./python/vmaf/script/run_vmaf.py \
  yuv420p 576 324 \
  python/test/resource/yuv/src01_hrc00_576x324.yuv \
  python/test/resource/yuv/src01_hrc01_576x324.yuv \
  --out-fmt json

When executed, an error is reported:`Can't import svmutil from /Users/lizhen/Library/Python/3.8/lib/python/third_party/libsvm/python: No module named 'svmutil'`

Checking /Users/lizhen/Library/Python/3.8/lib/python/third_party/libsvm/python, I found that the file does not exist, and I look dumbfounded. (Welcome to leave a message if you have solved this problem)
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However, it was initially suspected that it was a problem with the python environment, so I used Pycharm to directly open the vmaf/python project to create an env virtual environment.
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In the python virtual environment, run:
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Another error:

Traceback (most recent call last):
  File "./vmaf/script/run_vmaf.py", line 13, in <module>
    from vmaf.config import VmafConfig, DisplayConfig
ModuleNotFoundError: No module named 'vmaf'

This is fairly easy to solve:
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Continue execution:

python ./vmaf/script/run_vmaf.py yuv420p 576 324 test/resource/yuv/src01_hrc00_576x324.yuv test/resource/yuv/src01_hrc01_576x324.yuv --out-fmt json

Ok, finally done, MD.

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The VMAF_score score is the final score, and the others are the basic indicator scores of VMAF.
adm2, vif_scalex score range 0 (worst) to 1 (best)
motion2 score range 0 (stationary) to 20 (high-speed motion)