ImportError: DLL load failed while importing _core: The specified module could not be found. #1270
Description
Can't use av after build from source
Expected behavior
Build success from source at main
Actual behavior
i'm running with tutorial build in Readme
git clone git@github.com:PyAV-Org/PyAV
cd PyAV
source scripts/activate.sh
pip install --upgrade -r tests/requirements.txt
pip install wheel
python setup.py build --ffmpeg-dir=C:\ffmpeg
build success then run:
python setup.py install
Next run python:
python
import av
Before that:
Added env variable: C:\ffmpeg\lib, C:\ffmpeg\include, C:\ffmpeg, C:\ffmpeg\bin
OR build to whl, tar.gz and pip install av-11.0.0... ...whl install successfully but still error DLL
Build report:
...
Creating library build\temp.win-amd64-cpython-312\Release\src\av\video\stream.cp312-win_amd64.lib and object build\temp.win-amd64-cpython-312\Release\src\av\video\stream.cp312-win_amd64.exp
Generating code
Finished generating code
...
...
After import av and run error occur:
Traceback (most recent call last):
File "", line 1, in
File "E:\PyAV\av_init_.py", line 20, in
from av._core import time_base, library_versions
ImportError: DLL load failed while importing _core: The specified module could not be found.
...
Versions
-
OS: Windows 10 Pro 19045.3803
-
PyAV runtime: 11.0.0
-
PyAV build: from main branch
-
FFmpeg: C:/ffmpeg
Research
I have done the following:
- Checked the PyAV documentation
- Searched on Google
- Searched on Stack Overflow
- Looked through old GitHub issues
- Asked on PyAV Gitter
- ... and waited 72 hours for a response.