@echo off
setlocal enabledelayedexpansion

set keyword=_thumbnail

:: 遍历 JPG
for /r %%i in (*.jpg) do (
    set filename=%%~nxi
    echo !filename! | findstr /i "%keyword%" >nul
    if !errorlevel! equ 0 (
        set "blurfile=%%~dpi%%~ni_blur%%~xi"
        if not exist "!blurfile!" (
            echo 生成模糊图: %%i
            ffmpeg -y -i "%%i" -vf "gblur=sigma=50" "!blurfile!"
        ) else (
            echo 已存在模糊图: !blurfile!
        )
    )
)

:: 遍历 PNG
for /r %%i in (*.png) do (
    set filename=%%~nxi
    echo !filename! | findstr /i "%keyword%" >nul
    if !errorlevel! equ 0 (
        set "blurfile=%%~dpi%%~ni_blur%%~xi"
        if not exist "!blurfile!" (
            echo 生成模糊图: %%i
            ffmpeg -y -i "%%i" -vf "gblur=sigma=50" "!blurfile!"
        ) else (
            echo 已存在模糊图: !blurfile!
        )
    )
)

echo 全部完成！
pause