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-rw-r--r--plugins/zencoder.inc307
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diff --git a/plugins/zencoder.inc b/plugins/zencoder.inc
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-<?php
-//$Id$
-
-/**
- * @file
- * Provide a api for video conversion and auto thumbnailing using ffmpeg.
- *
- * @author Heshan Wanigasooriya <heshan at heidisoft.com, heshanmw at gmail dot com>
- * TODO: add common settings from video module configurations and extend it from ffmpeg.inc
- * since we need to have executable path of ffmpeg to ffmpeg.inc we need to have it
- */
-
-/**
- * Define some constants
- */
-defined('VIDEO_RENDERING_PENDING')
- or define('VIDEO_RENDERING_PENDING', 1);
-defined('VIDEO_RENDERING_ACTIVE')
- or define('VIDEO_RENDERING_ACTIVE', 5);
-defined('VIDEO_RENDERING_COMPLETE')
- or define('VIDEO_RENDERING_COMPLETE', 10);
-defined('VIDEO_RENDERING_FAILED')
- or define('VIDEO_RENDERING_FAILED', 20);
-
-// nice value to append at the beginning of the command
-defined('VIDEO_RENDERING_NICE')
- or define('VIDEO_RENDERING_NICE', 'nice -n 19');
-
-// curl related data
-defined('HTTP_CONNECT_TIMEOUT')
- or define('HTTP_CONNECT_TIMEOUT', 600);
-defined('HTTP_LOW_SPEED_LIMIT')
- or define('HTTP_LOW_SPEED_LIMIT', 256);
-defined('HTTP_LOW_SPEED_TIMEOUT')
- or define('HTTP_LOW_SPEED_TIMEOUT', 600);
-
-
-// TODO : add cron API to video module
-function zencoder_cron() {
- global $base_url;
-
- if(variable_get('video_zencoder_helper_auto_cvr_cron', true)) {
- exec("php video_scheduler.php $base_url > /dev/null &");
- }
-}
-
-
-/**
- * Get some informations from the video file
- */
-function zencoder_get_video_info($vidfile) {
- static $zencoder_info;
- $fid = $vidfile['fid'];
- // $command_output = cache_get($fid);
- // if(empty($command_output)) {
- // escape file name for safety
- $file = escapeshellarg($vidfile['filepath']);
- // create the full command to execute
- $command = variable_get('video_transcoder_path', '/usr/bin/ffmpeg') . ' -i ' . $file;
-
- //execute the command
- ob_start();
- passthru($command." 2>&1", $command_return);
- $command_output = ob_get_contents();
- ob_end_clean();
-
- // cache the result for further calls
- // $zencoder_info[$vidfile['fid']] = $command_output;
- // cache_set($vidfile['fid'], $command_output);
- // }
-
- return $command_output;
-}
-
-
-/**
- * Return the video resolution
- */
-function zencoder_auto_resolution(&$node) {
-
- if(!variable_get('video_zencoder_helper_auto_resolution', false)) {
-
- // call ffmpeg -i
- $zencoder_output = zencoder_get_video_info($node);
-
- // get resolution
- $pattern = '/Video: .*, ([0-9]{2,4}x[0-9]{2,4})/';
- preg_match_all($pattern, $zencoder_output, $matches, PREG_PATTERN_ORDER);
- $resolution = $matches[1][0];
-
- return explode("x", $resolution);
- }
- return null;
-}
-
-
-/**
- * Return the playtime seconds of a video
- */
-function zencoder_auto_playtime($file) {
-
- if(!variable_get('video_zencoder_helper_auto_playtime', false)) {
-
- // call ffmpeg -i
- $zencoder_output = zencoder_get_video_info($file);
-
- // get playtime
- $pattern = '/Duration: ([0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9])/';
- preg_match_all($pattern, $zencoder_output, $matches, PREG_PATTERN_ORDER);
- $playtime = $matches[1][0];
-
- // ffmpeg return lenght as 00:00:31.1 Let's get playtime from that
- $hmsmm = explode(":", $playtime);
-
- $tmp = explode(".", $hmsmm[2]);
- $seconds = $tmp[0];
-
- $hours = $hmsmm[0];
- $minutes = $hmsmm[1];
-
- return $seconds + ($hours * 3600) + ($minutes * 60);
- }
-}
-
-/**
- * Generates a thumbnail from the video file
- * Implementing hook_auto_thumbnail on inc
- *
- * @param $vidfile
- * object with element information
- *
- * @return
- * a drupal file objects
- */
-function zencoder_auto_thumbnail($vidfile) {
- global $user;
- $uploaded_file = $vidfile;
- $fid = $uploaded_file["fid"];
-
- // are we debugging?
- // escape the filename for safety
- $videofile = escapeshellarg($uploaded_file['filepath']);
- $thumb_path = variable_get('video_thumb_path', 'video_thumbs');
- //files will save in files/video_thumbs/#fileId folder
- $tmp = file_directory_path(). '/' . $thumb_path . '/' . $fid;
- // Ensure the destination directory exists and is writable.
- $directories = explode('/', $tmp);
- // array_pop($directories); // Remove the file itself.
- // Get the file system directory.
- $file_system = file_directory_path();
- foreach ($directories as $directory) {
- $full_path = isset($full_path) ? $full_path . '/' . $directory : $directory;
- // Don't check directories outside the file system path.
- if (strpos($full_path, $file_system) === 0) {
- field_file_check_directory($full_path, FILE_CREATE_DIRECTORY);
- }
- }
- $count = variable_get('no_of_video_thumbs', 5);
- $duration = zencoder_auto_playtime($vidfile);
- $files = NULL;
- for($i = 1; $i <= $count; $i++) {
- // get ffmpeg configurations
- $seek = ($duration/$count) * $i;
- $thumbfile = $tmp . "/video-thumb-for-$fid-$i.png";
- //skip files already exists, this will save ffmpeg traffic
- if (!is_file($thumbfile)) {
- $tnail = variable_get('video_transcoder_path', '/usr/bin/ffmpeg');
- $options = preg_replace(array('/%videofile/', '/%thumbfile/', '/%seek/'), array($videofile, $thumbfile, $seek), variable_get('video_zencoder_thumbnailer_options', '-i %videofile -an -y -f mjpeg -ss %seek -vframes 1 %thumbfile'));
- // $options = preg_replace(array('/%videofile/', '/%tmp/', '/%id/', '/%interval/'), array($videofile, $tmp, $i, ($duration/$count)), variable_get('video_image_thumbnailer_options', '-ss %id*%interval -i %videofile -vframes 1 %thumbfile'));
- // ffmpeg -ss $i*$interval -i intro.mov -vframes 1 -s 320x240 thumb_$i.jpg
- //ffmpeg -i superstunt_8uiarzrh.mp4 -r 0.1 -ss 00:00:5 -f image2 img/images%02d.png
- ////ffmpeg -i superstunt_8uiarzrh.mp4 -r 0.05 -ss 00:00:5 -f image2 img/images%1d.jpg
- // executes the command
- $command = "$tnail $options";
- ob_start();
- passthru($command." 2>&1", $tnail_return);
- $tnail_output = ob_get_contents();
- ob_end_clean();
- if (!file_exists($thumbfile)) {
- $error_param = array(
- '%file' => $thumbfile,
- '%cmd' => $command,
- '%out' => $tnail_output,
- );
- $error_msg = t("error generating thumbnail for video: generated file %file does not exist.<br />Command Executed:<br />%cmd<br />Command Output:<br />%out", $error_param);
- // let's log this
- watchdog('video_ffmpeg',$error_msg, array(), WATCHDOG_ERROR);
- }
- }
- // Begin building file object.
- //TODO : use file_munge_filename()
- $file = new stdClass();
- $file->uid = $user->uid;
- $file->status = FILE_STATUS_TEMPORARY;
- $file->filename = trim("video-thumb-for-$fid-$i.png");
- $file->filepath = $thumbfile;
- $file->filemime = file_get_mimetype("video-thumb-for-$fid-$i.png");
- $file->filesize = filesize($thumbfile);
- $file->timestamp = REQUEST_TIME;
- $files[] = $file;
- }
- return $files;
-}
-
-/**
- * Implementing hook_chcek_exepath() on inc
- * To check the the path is executable or not
- * @param <type> path to check
- * @return bool TRUE/FALSE
- */
-function zencoder_check_exe_path($path=NULL) {
- if (!$path) {
- $path = variable_get('video_transcoder_path', '/usr/bin/ffmpeg');
- }
- if (function_exists('is_executable')) {
- $test = 'is_executable';
- } else {
- $test = 'file_exists';
- }
- return $test($path);
-}
-
-/**
- * Implementing hook_auto_convert();
- * @param <type> $job
- */
-function zencoder_auto_convert(&$job) {
- $videofile = escapeshellarg($job->filepath); // escape file name for safety
- $convfile = tempnam(file_directory_temp(), 'video-rendering');
- $audiobitrate = variable_get('video_zencoder_helper_auto_cvr_audio_bitrate', 64);
- $videobitrate = variable_get('video_zencoder_helper_auto_cvr_video_bitrate', 200);
- $size = _video_render_get_size();
- $converter = variable_get('video_transcoder_path', '/usr/bin/ffmpeg');
-
- $options = preg_replace(array('/%videofile/', '/%convertfile/', '/%audiobitrate/', '/%size/', '/%videobitrate/'),
- array($videofile, $convfile, $audiobitrate, $size, $videobitrate),
- variable_get('video_zencoder_helper_auto_cvr_options',
- '-y -i %videofile -f flv -ar 22050 -ab %audiobitrate -s %size -b %videobitrate -qscale 1 %convertfile'));
-
- // set to the converted file output
- $job->convfile = $convfile;
-
- $command = VIDEO_RENDERING_NICE . " $converter $options";
-
- //print('executing ' . $command); die;
- watchdog('video_render', 'executing: ' . $command, array(), WATCHDOG_DEBUG);
-// watchdog('video_render', 'Starting : ' . REQUEST_TIME);
- //execute the command
- ob_start();
- passthru($command." 2>&1", $command_return);
- $command_output = ob_get_contents();
- ob_end_clean();
-// watchdog('video_render', 'Completed');
- //print $command_output;
-
- if (!file_exists($job->convfile) || !filesize($job->convfile)) {
- watchdog('video_render', 'video conversion failed. ffmpeg reported the following output: ' . $command_output, array(), WATCHDOG_ERROR);
- // _video_render_set_video_encoded_fid($job->nid, $job->vid, -1);
- // _video_render_job_change_status($job->nid, $job->vid, VIDEO_RENDERING_FAILED);
- }
- else {
- $file_name = basename($job->filename . ".flv");
- $file = new stdClass();
- $file->uid = $job->uid;
- $file->status = FILE_STATUS_PERMANENT;
- $file->filename = basename($file_name);
- $file->filepath = $job->convfile;
- $file->filemime = file_get_mimetype($file_name);
- $file->filesize = filesize($job->convfile);
- $file->timestamp = REQUEST_TIME;
-
- $job->converted = $file;
- }
-}
-
-
-/**
- * Calculate the converted video size basing on the width set on administration.
- * Aspect ration is maintained.
- */
-//function _video_render_get_size() {
-// return variable_get('video_zencoder_width', 640) . 'x' . variable_get('video_zencoder_height', 480);
-//}
-
-
-function _video_curl_post($url, $fields, &$output) {
-
- $options = array(
- CURLOPT_POST => TRUE,
- CURLOPT_POSTFIELDS => $fields,
- CURLOPT_CONNECTTIMEOUT => HTTP_CONNECT_TIMEOUT,
- CURLOPT_LOW_SPEED_LIMIT => HTTP_LOW_SPEED_LIMIT,
- CURLOPT_LOW_SPEED_TIME => HTTP_LOW_SPEED_TIMEOUT,
- CURLOPT_RETURNTRANSFER => TRUE
- );
-
- $ch = curl_init($url);
- curl_setopt_array($ch, $options);
- $output = curl_exec($ch);
- $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
- curl_close($ch);
-
- return $http_code;
-}
-
-/** S3 API functions **/
-/** ---------------- **/