[文本处理] 求助批处理批量视频转GIF哪里不对？

jiangyver

@echo off
setlocal enabledelayedexpansion

set ffmpegPath=D:\ffmpeg-master-latest-win64-gpl-shared\bin\ffmpeg.exe[quote]软件路径[/quote]
set inputFolder=%~dp0
set outputFolder=%inputFolder%GIFs

if not exist %outputFolder% mkdir %outputFolder%

for %%i in (%inputFolder%.mp4) do (
    echo Converting %%i...
    %ffmpegPath% -i %%i -ss 000000 -t 000500 -vf scale=320-1flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse %outputFolder%%%~ni.gif
    echo Converted %%i to %outputFolder%%%~ni.gif
)

echo All MP4 files have been processed.
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Five66

试试将12行滤镜链里的

scale=320-1flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse
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换成

"scale=320:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse[out]" -map "[out]"
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fzp070

稍微调整了下，在我这可以转换gif文件。320的图太小了，换成了720。楼主试试看吧

@echo off
color 3f
title FFmpeg批量视频转GIF
setlocal enabledelayedexpansion

set ffmpegPath=D:\ffmpeg-master-latest-win64-gpl-shared\bin\ffmpeg.exe&rem 软件路径
set inputFolder=%~dp0
set outputFolder=%inputFolder%GIFs

if not exist "%outputFolder%" mkdir "%outputFolder%"

for %%i in ("%inputFolder%*.mp4") do (
    echo 转换【%%~ni.mp4】...
    if exist "%outputFolder%\%%~ni.gif" echo.&echo ---注：视频已有GIF文件，程序退出！--- &goto end
    "%ffmpegPath%" -i "%%i" -y -ss 000000 -t 000500 -vf scale=720:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse "%outputFolder%\%%~ni.gif">nul 2>nul
    echo.&echo 已转换 "%%~ni.mp4" to "%%~ni.gif"
)

echo.&echo 所有 MP4 文件均已处理。
:end
TIMEOUT /T 5 /NOBREAK
exit
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