'; var_dump($output); echo '
'; var_dump($return_var); 'ffmpeg -i /www/wwwroot/video.nxjiewei.com/public/files/video/m3u8/羊场湾煤矿/一号井工业电视系统/主运输胶带机/主井机尾/20220125/out.m3u8 -vf "select=(gte(t\,120))*(isnan(prev_selected_t)+gte(t-prev_selected_t\,120))" -vsync 0 /www/wwwroot/video.nxjiewei.com/public/files/video/image_%05d.jpg'; // 'ffmpeg -i /www/wwwroot/video.nxjiewei.com/public/files/video/m3u8/羊场湾煤矿/一号井工业电视系统/主运输胶带机/主井机尾/20220125/out.m3u8 -vf "select=between(mod(n\, 25)\, 0\, 0), setpts=N/24/TB" output-%04d.png'; } }