PHP轉換視頻為MP4並擷取預覽圖的執行個體分享

如何使用PHP轉換視頻為MP4並擷取預覽圖？本文呢主要介紹了PHP實現將視頻轉成MP4並擷取視頻預覽圖的方法，涉及php操作視頻檔案的技巧。希望對大家有所協助。

<?phpflv_convert_get_thumb('input.avi', 'output.jpg', 'output.ogm');// code provided and updated by steve of phpsnaps ! thanks// accepts:// 1: the input video file// 2: path to thumb jpg// 3: path to transcoded mpeg?function flv_convert_get_thumb($in, $out_thumb, $out_vid){  // get thumbnail  $cmd = 'ffmpeg -v 0 -y -i '.$in.' -vframes 1 -ss 5 -vcodec mjpeg -f rawvideo -s 286x160 -aspect 16:9 '.$out_thumb;  $res = shell_exec($cmd);  // $res is the output of the command  // transcode video  $cmd = 'mencoder '.$in.' -o '.$out_vid.' -af volume=10 -aspect 16:9 -of avi -noodml -ovc x264 -x264encopts bitrate=500:level_idc=41:bframes=3:frameref=2: nopsnr: nossim: pass=1: threads=auto -oac mp3lame';  $res = shell_exec($cmd);}?>