Update atsetup.bat FFmpeg

atsetup.bat

@@ -143,7 +143,7 @@ pip install -r system\requirements\requirements_parler.txt
 echo ** Faiss **
 call "%CONDA_ROOT_PREFIX%\Scripts\conda.exe" install -y pytorch::faiss-cpu
 echo ** FFmpeg **
-call "%CONDA_ROOT_PREFIX%\Scripts\conda.exe" install -y conda-forge::ffmpeg
+call "%CONDA_ROOT_PREFIX%\Scripts\conda.exe" install -y -c conda-forge "ffmpeg=*=*gpl*"
 if %ERRORLEVEL% neq 0 (
     echo.
     echo    There was an error installing the requirements.
@@ -461,7 +461,7 @@ if errorlevel 1 (
 
 :install_ffmpeg
 echo ** Installing FFmpeg **
-call "%CONDA_ROOT_PREFIX%\Scripts\conda.exe" install -y conda-forge::ffmpeg
+call "%CONDA_ROOT_PREFIX%\Scripts\conda.exe" install -y -c conda-forge "ffmpeg=*=*gpl*"
 echo.
 if errorlevel 1 (
     echo FFmpeg installation failed, errorlevel was %errorlevel%. There should be a Conda