Php uses ffmpeg to add text subtitles to a video. _ PHP Tutorial

Php uses ffmpeg to add text subtitles to a video ,. Php uses ffmpeg to add text subtitles to a video. This article describes how to add subtitles to a video by using ffmpeg in PHP, the example shows how to add text subtitles to a video by using ffmpeg in php,

This article mainly introduces how to use ffmpeg in PHP to add subtitle display to a video. The example shows how to use ffmpeg in php to add letters to the video, which has some reference value, for more information, see.

This example describes how to add subtitles to a video by using ffmpeg in PHP. Share it with you for your reference. The specific implementation method is as follows:

<?php $dir = './'; // set to current folder if ($handle = opendir($dir)) {  while(false!== ($file = readdir($handle))) {  if ( is_file($dir.$file) ){  if (preg_match("'\.(avi)$'", $file) ){  $sub_file = str_ireplace(".avi", ".srt", $dir.$file);  $idx_file = str_ireplace(".avi", ".idx", $dir.$file);  $thumb_file = str_ireplace(".avi", ".jpg", $dir.$file);  $out_file = str_ireplace(".avi", ".mp4", $dir.$file);  flv_convert_get_thumb($dir.$file, $sub_file, $idx_file, $thumb_file, $out_file);  }  else{  continue;  }  }  }  closedir($handle); } //flv_convert_get_thumb('input.avi', 'input.srt', '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, $in_sub, $in_idx, $out_thumb, $out_vid){  // get thumbnail  $cmd = 'ffmpeg -v 0 -y -i '.$in.' -vframes 1 -ss 250 -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 '.$out_vid.' -sub '.$in_sub.' -subfont-text-scale 3.0 -subpos 99 -af volume=10 -aspect 16:9 -of avi -noodml -ovc x264 -x264encop$  $res = shell_exec($cmd); } ?>

The above implementation method of adding text subtitles to the video using ffmpeg in php is to share all the content with you in small series. I hope to give you a reference, and I hope you can also support the help house.

Tips: This article mainly introduces how to use ffmpeg in PHP to add subtitles to a video. The example shows how to use ffmpeg in php to add subtitles to the video...