47 lines
1.3 KiB
Batchfile
47 lines
1.3 KiB
Batchfile
@echo off
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setlocal enabledelayedexpansion
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REM --------------------------------------------------
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REM 批量将当前目录（不含子目录）下所有 .mp4 转为高质量 GIF
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REM GIF 文件名前缀 "Gif_"
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REM 若目标文件存在则自动覆盖
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REM --------------------------------------------------
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REM 用户可按需调整：
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set "WIDTH=992"
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set "FPS=10"
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REM --------------------------------------------------
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for %%F in (*.mp4) do (
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set "INPUT=%%F"
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set "BASENAME=%%~nF"
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set "PALETTE=palette_!BASENAME!.png"
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set "OUTPUT=Gif_!BASENAME!.gif"
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echo.
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echo [PROCESS] %%F -> !OUTPUT!
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REM 1) 生成调色板
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ffmpeg -hide_banner -y -i "%%F" -vf "fps=%FPS%,scale=%WIDTH%:-1:flags=lanczos,palettegen" "!PALETTE!"
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if errorlevel 1 (
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echo [ERROR] 调色板生成失败: %%F
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) else (
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REM 2) 按调色板生成 GIF
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ffmpeg -hide_banner -y -i "%%F" -i "!PALETTE!" ^
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-filter_complex "fps=%FPS%,scale=%WIDTH%:-1:flags=lanczos[x];[x][1:v]paletteuse=dither=none" ^
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"!OUTPUT!"
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if errorlevel 1 (
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echo [ERROR] GIF 生成失败: %%F
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) else (
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echo [OK] 已生成: !OUTPUT!
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)
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)
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REM 删除临时调色板
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del /q "!PALETTE!" 2>nul
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)
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echo.
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echo 全部转换完成！
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pause
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