MinGW CI (#549)

* TMP

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

* Update main.yaml

Author: valbok

.github/workflows/main.yaml

@@ -210,8 +210,8 @@ jobs:
           dir ffmpeg\bin
           SET FFMPEG=%CD%\ffmpeg
           echo FFMPEG=%FFMPEG%>>%GITHUB_ENV%
-          echo LIBRARY_PATH=%FFMPEG%\lib;%FFMPEG%\bin;%PATH%>>%GITHUB_ENV%
-          echo %FFMPEG%\lib;%FFMPEG%\bin>>%GITHUB_PATH%
+          echo LIBRARY_PATH=C:\mingw64\bin;%FFMPEG%\lib;%FFMPEG%\bin;>>%GITHUB_ENV%
+          echo %FFMPEG%\lib;%FFMPEG%\bin;C:\mingw64\bin>>%GITHUB_PATH%
           echo INCLUDE=%FFMPEG%\include;%INCLUDE%>>%GITHUB_ENV%
           echo CPLUS_INCLUDE_PATH=%FFMPEG%\include;%CPLUS_INCLUDE_PATH%>>%GITHUB_ENV%
           echo LIB=%FFMPEG%\lib;%FFMPEG%\bin;%LIB%>>%GITHUB_ENV%
@@ -243,6 +243,7 @@ jobs:
           set QT_FORCE_STDERR_LOGGING=1
           set QT_ASSUME_STDERR_HAS_CONSOLE=1
           cd tests/auto/integration/qavdemuxer
+          where g++
           qmake
           mingw32-make
           release\tst_qavdemuxer.exe