当前正在运行批处理脚本以批量转换媒体剪辑，以节省一些存储空间。我还要在脚本中添加自动化功能，该脚本将在转换后删除最终会成为较大文件的脚本。不太确定如何在每次转换结束时最好地进行设置。
pushd "%2"
::Default variables
SET paths=paths.txt
::paths lets you put a bunch of folder paths in a text file and run this across those, instead of individually. I use this to run overnight on a LOT of footage folders at once. Thanks to Aayla for a lot of these upgrades
::Fun tip - select your folders (15 max at a time) and shift+right-click and click "copy as paths"
SET /A ffmpeg_qv=24
::change CQP value here so you only have to type it once. 22 is lossless for HEVC.
::for /R %%A in (*.mp4, *.avi, *.mov, *.wmv, *.ts, *.m2ts, *.mkv, *.mts) do (
:: echo Processing %%A
:: ffmpeg -hwaccel auto -i "%%A" -pix_fmt p010le -map 0:v -map 0:a -c:v hevc_nvenc -rc constqp -qp 21 -b:v 0K -c:a libfdk_aac -vbr 5 -movflags +faststart "%%A~dnpA_CRF%ffmpeg_qv%_HEVC.mp4"
:: echo Processed %%A
::)
::pause
::Test if the paths file exists and iterate through it
if EXIST %paths% (
for /f "tokens=*" %%a in (%paths%) do (
echo Changing to directory %%a
pushd "%%a"
CALL :ffmpeg
)
) else (
::It doesn't exist
CALL :ffmpeg
)
pause
EXIT /B %ERRORLEVEL%
::Don't run the function when they're first defined because that's a thing Batch does for some reason???
:ffmpeg
for /R %%A in (*.mp4, *.avi, *.mov, *.wmv, *.ts, *.m2ts, *.mkv, *.mts) do (
echo Processing "%%A"
ffmpeg -hwaccel auto -i "%%A" -pix_fmt yuv420p -map 0:v -map 0:a -map_metadata 0 -c:v hevc_nvenc -rc constqp -qp %ffmpeg_qv% -b:v 0K -c:a aac -b:a 128k -movflags +faststart -movflags use_metadata_tags "%%A~dnpA_CRF%ffmpeg_qv%_HEVC.mp4"
:: "-map_metadata 0" copies all metadata from source file
:: "-movflags +faststart" helps with audio streaming
echo Processed %%A
:: echo inFile %%A outFile %%A~dnpA_CRF%ffmpeg_qv%_HEVC.mp4
:: code here to check if A>B or B<A
:: then delete the larger of the two
)
GOTO :EOF
答案 0 :(得分：0)
这将满足需要。
请注意，由于您正在处理视频文件，因此它们很有可能大于32位整数限制，因此我需要编写代码来以防止该问题的方式相互检查文件。
@( SETLOCAL EnableDelayedExpansion
ECHO OFF
REM Default variables
SET "_eLvl=0"
SET "_Media_Extentions*.mp4, *.avi, *.mov, *.wmv, *.ts, *.m2ts, *.mkv, *.mts"
SET /A "ffmpeg_qv=24" & REM change CQP value here so you only have to type it once. 22 is lossless for HEVC.
SET "paths=C:\Folder\paths.txt" & REM File Containing several paths to work on, allows running many footage folders at once.
REM SET "paths=C:\Jobs\paths.txt" & REM File Containing several paths to work on, allows running many footage folders at once.
REM NOTE: - In Windows Explorer you can select as many folders as you like, then hold shift and right-click on them, this will give the option "copy as paths".
REM NOTE: - you can also just put the list of paths directly into the FOR Loop section below instead of using a separate file.
REM Thanks to Aayla for a lot of these upgrades
)
REM Call main function, pass any arguments provided to the script.
CALL :Main %*
( ENDLOCAL
EXIT /B %_eLvl%
)
:Main
REM Test if the paths file exists and iterate through it
IF NOT EXIST "%paths%" (
ECHO= "%paths%" Does Not Exist Adding either "%~2" or "%~dp0"
IF /I "%~2" NEQ "" (
ECHO= "%~2" Was provided, adding that value.
ECHO=%~2>"%paths%"
) ELSE (
ECHO= "%~2" Was blank, adding "%~dp0".
ECHO="%~dp0">"%paths%"
)
)
IF NOT EXIST "%paths%" (
ECHO= ERROR! Somehow the Paths File could not be created at "%paths%"
ECHO= Exiting!
SET "eLvl=100"
) ELSE (
FOR /F "Tokens=*" %%_ in ('
type "%paths%"
') DO (
IF EXIST "%%~_" (
ECHO Checking Media in Path "%%~_"
CALL :ffmpeg "%%~_"
) ELSE (
ECHO= This Path does Not Exist!
SET "eLvl=110"
)
)
)
GOTO :EOF
:ffmpeg
ECHO= Entered %0, Path Found: "%~1"
FOR /R "%~1" %%_ IN ( %_Media_Extentions% ) DO (
echo Processing "%%~_"
ffmpeg -hwaccel auto -i "%%~_" -pix_fmt yuv420p -map 0:v -map 0:a -map_metadata 0 -c:v hevc_nvenc -rc constqp -qp %ffmpeg_qv% -b:v 0K -c:a aac -b:a 128k -movflags +faststart -movflags use_metadata_tags "%%~dpn__CRF%ffmpeg_qv%_HEVC.mp4"
echo Processed "%%~_"
ECHO= Outer Loop - Checking if "%%~_" is Larger or Smaller than "%%~dpn__CRF%ffmpeg_qv%_HEVC.mp4"
FOR %%# IN ("%%~dpn__CRF%ffmpeg_qv%_HEVC.mp4") DO (
SET "_Deleted="
ECHO=
ECHO= Inner Loop - Checking if "%%~n_" is Larger or Smaller than "%%~n#"
ECHO= Old FILE: "%%~nx_" Size: "%%~z_"
ECHO= New FILE: "%%~nx#" Size: "%%~z#"
IF /I "%%~z_" EQU "%%~z#" (
SET "eLvl=200"
ECHO= Size of the files are equal... Deleting "%%~f#"
DEL /F /Q "%%~f#"
) ELSE (
ECHO= Sizes are Different, Checking Which is Larger.
SET "_TmpSize_=%%~z_"
SET "_TmpSize#=%%~z#"
FOR %%A IN (0 1 2 3 4 5 6 7 8 9) DO (
SET "_TmpSize_=!_TmpSize_:%%A=%%A !"
SET "_TmpSize#=!_TmpSize#:%%A=%%A !"
)
FOR %%A IN (!_TmpSize_!) DO (
CALL SET /A "_TmpSize_Count+=1" )
FOR %%A IN (!_TmpSize#!) DO (
CALL SET /A "_TmpSize#Count+=1" )
ECHO= Checking the length of Each Number:
IF !_TmpSize_Count! LSS !_TmpSize#Count! (
ECHO= Smaller File is the Old File... Deleting "%%~f#"
DEL /F /Q "%%~f#"
) ELSE (
IF !_TmpSize_Count! GTR !_TmpSize#Count! (
ECHO= Smaller File is the New File... Deleting "%%~f_"
DEL /F /Q "%%~f_"
) ELSE (
ECHO= File Sizes are the Same Number of Characters. Need to try advanced checking.
SET "_TmpSize_=!_TmpSize_: =!"
SET "_TmpSize#=!_TmpSize#: =!"
FOR /L %%L IN (1,1,!_TmpSize_Count!) DO (
IF NOT DEFINED _Deleted (
SET /A "_Tst_=!_TmpSize_:~%%L,1!"
SET /A "_Tst#=!_TmpSize#:~%%L,1!"
IF !_Tst_! NEQ !_Tst#! (
IF !_Tst_! LSS !_Tst#! (
ECHO= Smaller File is the Old File... Deleting "%%~f#"
DEL /F /Q "%%~f#"
) ELSE (
ECHO= Smaller File is the New File... Deleting "%%~f_"
DEL /F /Q "%%~f_"
)
SET "_Deleted=1"
)
)
)
)
)
)
)
ECHO Finished Check
)
SET "eLvl=!ERRORLEVEL!"
GOTO :EOF