A PHP class for ffmpeg video conversion

 Opti $this->options = Array_filter ($options) + $this->options;    $this->ffmpeg= $ffmpeg,//ffmpeg path $this->backup= $backup;        }//Get video information function Video_info ($file) {Ob_start (); PassThru (sprintf ($this->ffmpeg.        '-i '%s ' 2>&1 ', $file));//ffmpeg-i Test.avi 2>&1 $info = ob_get_contents ();        Ob_end_clean ();        Gets the contents of all outputs to ffmpeg by using the output buffer.        $ret = Array (); duration:01:24:12.73, start:0.000000, bitrate:456 kb/s if (Preg_match ("/duration: (. *?), Start: (. *?), Bitrat              E: (\d*) kb\/s/", $info, $match)) {$ret [' duration '] = $match [1];//extract playback time $da            = Explode (': ', $match [1]); $ret [' seconds '] = $da [0] * 3600 + $da [1] * + $da [2]; Convert to seconds $ret [' start '] = $match [2]; Start time $ret [' bitrate '] = $match [3]; Bitrate Bitrate Unit KB}//Stream #0.1:video:rv40, yuv420p, 512x384, 355 kb/s, 12.05 fps, 12TBR, 1k TBN, TBC if (Preg_match ("/video"), (. *), (. *), (. *), (. *?) [, \s]/", $info, $match)) {$ret [' vcodec '] = $match [1];//encoding Format $ret [' vformat '] = $MATC H[2]; Video format $ret [' Resolution '] = $match [3];            Resolution $a = explode (' x ', $match [3]);            $ret [' width '] = $a [0];        $ret [' height '] = $a [1]; }//Stream #0.0:audio:cook, 44100 Hz, stereo, S16, kb/s if (Preg_match ("/audio: (\w*), (\d*) hz/", $in       FO, $match)) {$ret [' acodec '] = $match [1];  Audio encoding $ret [' asamplerate '] = $match [2]; Audio Sampling Frequency} if (Isset ($ret [' seconds ']) && isset ($ret [' Start ']) {$ret [' play_time ' ] = $ret [' seconds '] + $ret [' Start ']; Actual playback time} $ret [' size '] = filesize ($file);    File size return $ret;    } function convert () {$verifyToken = MD5 (' Unique_salt '. $this->options[' timestamp ');    if ($verifyToken = = $this->options[' token ') {$orgFile = $this->options[' Org_path ']. $this-            >options[' org ';            $setting = "; if (isset ($this->options[' video_size ')) $setting = $setting. '-vf scale= '. $this->options[' video_size '].            '"'; $MP 4 = $this->ffmpeg. '-I. ' $orgFile. '-ss 00:01:02-vcodec libx264-strict-2 '. $setting. ' ' . $this->options[' mp4_path_temp '). $this->options[' org ').            ";//Convert video exec ($MP 4); if (isset ($this->options[' watermark ')) {$watermark = ' "'. $this->options[' watermark ']. '"            '; $MP 4 = $this->ffmpeg. '-i ' $this->options[' mp4_path_temp '. $this->options[' org '). ". '. '-VF '. $watermark. ' '. $this->options[' Mp4_path '). $this->options[' org ').            ";//Add watermark Exec ($MP 4); @unlink ($this->options[' mp4_path_temp '). $this->options[' org '.            ''); } $duration = $this-> Video_info ($orgFile);            $seconds = Intval ($duration [' seconds ']);            $offset = Intval ($seconds/21);//interval seconds $thumbs = explode (', ', $this->options[' thumb_size ')); for ($i = 0; $i <= count ($thumbs), $i + +) {$targetPath = $this->options[' Thumb_path '). $t his->options[' org ').                '/';                if (!file_exists ($targetPath)) @mkdir (RTrim ($targetPath, '/'), 0777);                    if ($i = = 0) {$time = 1; $name = $i = = 0? ' Default.jpg ': $i.                    '. jpg ';                $img _size = $this->options[' main_size ');                } else {$time = $i * $OFFSET; $name = $i.                '. jpg ';                $img _size = $thumbs [$i-1]; } $jpg = $this->ffmpeg. '-I. ' $orgFile. '-f image2-ss '. $time. '-vframes 1-s '. $img _size.' ' . $targetPath.            $name;//@exec ($jpg);            }//Copy files to the corresponding FTP server $ftp _server = pc_base::load_config (' Ftp_server ');            $remote _server = $_post[' remote_server ');            $ftp _server = $ftp _server[$remote _server]; if ($ftp _server[' Ftp_server ') pc_base::ftp_upload ($orgFile, $ftp _server[' ftp _server '], $ftp _server[' ftp_user_name ', $ftp _server[' Ftp_us            Er_pass ']);                Back up to all FTP servers if ($this->backup) {$ftp _backup = pc_base::load_config (' ftp_backup ');                                        foreach ($ftp _backup as $v) {pc_base::ftp_upload ($orgFile,                                        $ftp _backup[' Ftp_server ', $ftp _backup[' ftp_user_name '),                $ftp _backup[' Ftp_user_pass ');       }     } $result [' url ']= $ftp _server[' ftp_server '] [' http_address ']. $this->options[' Mp4_path '). $this->options[' uniqid ').            '. mp4 ';//record video playback address $result [' uniqid ']= $this->options[' uniqid '];            $result [' videotime '] = $this->video_info ($orgFile);            $result [' videotime '] = $result [' videotime '] [' seconds ']; return $result;//returns processing result} else die (' validation failed!    '); }}?>

Reference

Http://www.fieryrain.com/blog/FFMPEG_VIDEO_TIME

http://keren.iteye.com/blog/1773536

Http://www.cnblogs.com/dwdxdy/p/3240167.html

Http://www.cnblogs.com/chen1987lei/archive/2010/12/03/1895242.html

The above describes a ffmpeg video conversion PHP class, including the aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

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