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diff --git a/includes/conversion.inc b/includes/conversion.inc
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+<?php
+//$Id$
+/*
+ * @file
+ * Class file to handle video conversion using ffmpeg.
+ *
+ */
+define('VIDEO_RENDERING_PENDING', 1);
+define('VIDEO_RENDERING_ACTIVE', 5);
+define('VIDEO_RENDERING_COMPLETE', 10);
+define('VIDEO_RENDERING_FAILED', 20);
+
+class video_conversion {
+
+ /**
+ * Our main function to call when converting queued up jobs.
+ */
+ public function run_queue() {
+ if ($videos = $this->select_queue()) {
+ foreach ($videos as $video) {
+ $this->process($video);
+ }
+ }
+ }
+
+ /**
+ * Select videos from our queue
+ *
+ * @return
+ * An array containing all the videos to be proccessed.
+ */
+ private function select_queue() {
+ $total_videos = variable_get('video_ffmpeg_instances', 5);
+ $videos = array();
+ $result = db_query_range('SELECT f.*, vf.vid, vf.nid, vf.dimensions, vf.status as video_status FROM {video_files} vf LEFT JOIN {files} f ON vf.fid = f.fid WHERE vf.status = %d AND f.status = %d ORDER BY f.timestamp',
+ VIDEO_RENDERING_PENDING, FILE_STATUS_PERMANENT, 0, $total_videos);
+
+ while ($row = db_fetch_object($result)) {
+ $videos[] = $row;
+ }
+ return $videos;
+ }
+
+ /**
+ * Process the video through ffmpeg.
+ *
+ * @param $video
+ * This can either be the file object or the file id (fid)
+ *
+ * @return
+ * TRUE of FALSE if video was converted successfully.
+ */
+ public function process($video) {
+ if (is_object($video) && isset($video->fid)) {
+ $return = $this->render($video);
+ }
+ else {
+ $video_object = $this->load_video($video);
+ $return = $this->render($video_object);
+ }
+ return $return;
+ }
+
+ private function render($video) {
+ if (!is_object($video)) {
+ watchdog('video_conversion', 'Video object is not present', array(), WATCHDOG_ERROR);
+ return FALSE;
+ }
+ // Make sure this video is pending or do nothing.
+ if($video->video_status == VIDEO_RENDERING_PENDING) {
+ // This will update our current video status to active.
+ $this->change_status($video->vid, VIDEO_RENDERING_ACTIVE);
+ // Get the converted file object
+ //we are going to move our video to an "original" folder
+ //we are going to transcode the video to the "converted" folder
+ $pathinfo = pathinfo($video->filepath);
+ $original = $pathinfo['dirname'] .'/original';
+ $converted = $pathinfo['dirname'] .'/converted';
+
+ if (!field_file_check_directory($original, FILE_CREATE_DIRECTORY)) {
+ watchdog('video_transcoder', 'Video conversion failed. Could not create the directory: '.$orginal, array(), WATCHDOG_ERROR);
+ return false;
+ }
+ if (!field_file_check_directory($converted, FILE_CREATE_DIRECTORY)) {
+ watchdog('video_transcoder', 'Video conversion failed. Could not create the directory: '.$converted, array(), WATCHDOG_ERROR);
+ return false;
+ }
+
+ $original = $original .'/'. $video->filename;
+ //lets move our video and then convert it.
+ if(file_move($video, $original)) {
+ //update our filename after the move to maintain filename uniqueness.
+ $converted = $converted .'/'. pathinfo($video->filepath, PATHINFO_FILENAME) .'.'. $this->video_extension();
+ // Update our filepath since we moved it
+ $update = drupal_write_record('files', $video, 'fid');
+ //call our transcoder
+ $command_output = $this->convert_video($video, $converted);
+ //lets check to make sure our file exists, if not error out
+ if(!file_exists($converted) || !filesize($converted)) {
+ watchdog('video_conversion', 'Video conversion failed. FFMPEG reported the following output: '.$command_output, array(), WATCHDOG_ERROR);
+ $this->change_status($video->vid, VIDEO_RENDERING_FAILED);
+ return FALSE;
+ }
+ // Setup our converted video object
+ $video_info = pathinfo($converted);
+ //update our converted video
+ $video->converted = new stdClass();
+ $video->converted->vid = $video->vid;
+ $video->converted->filename = $video_info['basename'];
+ $video->converted->filepath = $converted;
+ $video->converted->filemime = file_get_mimetype($converted);
+ $video->converted->filesize = filesize($converted);
+ $video->converted->status = VIDEO_RENDERING_COMPLETE;
+ $video->converted->completed = time();
+ //clear our cache so our video path is updated.
+ cache_clear_all('*', 'cache_content', true);
+ // Update our video_files table with the converted video information.
+ $result = db_query("UPDATE {video_files} SET filename='%s', filepath='%s', filemime='%s', filesize=%d, status=%d, completed=%d WHERE vid=%d",
+ $video->converted->filename, $video->converted->filepath, $video->converted->filemime, $video->converted->filesize, $video->converted->status, $video->converted->completed, $video->converted->vid);
+
+ // Update our node id to published. We do not do a node_load as it causes editing problems when saving.
+ db_query("UPDATE {node} SET status=%d WHERE nid=%d", 1, $video->nid);
+ watchdog('video_conversion', 'Successfully converted %orig to %dest', array('%orig' => $video->filepath, '%dest' => $video->converted->filepath), WATCHDOG_INFO);
+ return TRUE;
+ }
+ else {
+ watchdog('video_conversion', 'Cound not move the video to the original folder.', array(), WATCHDOG_ERROR);
+ $this->change_status($video->vid, VIDEO_RENDERING_FAILED);
+ return FALSE;
+ }
+ }
+ return NULL;
+ }
+
+ /**
+ * Calls the transcoder class to convert the video.
+ *
+ * @param $job
+ * Video object to be transcoded
+ *
+ * @return
+ * TRUE or FALSE
+ */
+ private function convert_video($video, $converted) {
+ //get our dimensions and pass them along.
+ $dimensions = $this->dimensions($video);
+ module_load_include('inc', 'video', '/includes/transcoder');
+ $transcoder = new video_transcoder;
+ return $transcoder->convert_video($video, $converted, $dimensions);
+ }
+
+ private function video_extension() {
+ module_load_include('inc', 'video', '/includes/transcoder');
+ $transcoder = new video_transcoder;
+ return $transcoder->video_converted_extension();
+ }
+
+ /*
+ * Function determines the dimensions you want and compares with the actual wxh of the video.
+ *
+ * If they are not exact or the aspect ratio does not match, we then figure out how much padding
+ * we should add. We will either add a black bar on the top/bottom or on the left/right.
+ *
+ * @TODO I need to look more at this function. I don't really like the guess work here. Need to implement
+ * a better way to check the end WxH. Maybe compare the final resolution to our defaults? I don't think
+ * that just checking to make sure the final number is even is accurate enough.
+ */
+ public function dimensions($video) {
+ //lets setup our dimensions. Make sure our aspect ratio matches the dimensions to be used, if not lets add black bars.
+ $aspect_ratio = _video_aspect_ratio($video->filepath);
+ $ratio = $aspect_ratio['ratio'];
+ $width = $aspect_ratio ['width'];
+ $height = $aspect_ratio['height'];
+
+ $wxh = explode('x', $video->dimensions);
+ $output_width = $wxh[0];
+ $output_height = $wxh[1];
+ $output_ratio = number_format($output_width / $output_height, 4);
+
+ if($output_ratio != $ratio && $width && $height) {
+ $options = array();
+ // Figure out our black bar padding.
+ if ($ratio < $output_width / $output_height) {
+ $end_width = $output_height * $ratio;
+ $end_height = $output_height;
+ }
+ else {
+ $end_height = $output_width / $ratio;
+ $end_width = $output_width;
+ }
+
+ // We need to get back to an even resolution and maybe compare with our defaults?
+ // @TODO Make this more exact on actual video dimensions instead of making sure the wxh are even numbers
+
+ if ($end_width == $output_width) {
+ // We need to pad the top/bottom of the video
+ $padding = round($output_height - $end_height);
+ $pad1 = $pad2 = floor($padding / 2);
+ if ($pad1 %2 !== 0) {
+ $pad1++;
+ $pad2--;
+ }
+ $options[] = '-padtop '. $pad1;
+ $options[] = '-padbottom '. $pad2;
+ }
+ else {
+ // We are padding the left/right of the video.
+ $padding = round($output_width - $end_width);
+ $pad1 = $pad2 = floor($padding / 2); //@todo does padding need to be an even number?
+ if ($pad1 %2 !== 0) {
+ $pad1++;
+ $pad2--;
+ }
+ $options[] = '-padleft '. $pad1;
+ $options[] = '-padright '. $pad2;
+ }
+
+ $end_width = round($end_width) %2 !==0 ? round($end_width) + 1 : round($end_width);
+ $end_height = round($end_height) %2 !==0 ? round($end_height) + 1 : round($end_height);
+ //add our size to the beginning to make sure it hits our -s
+ array_unshift($options, $end_width .'x'. $end_height);
+ return implode(' ', $options);
+ }
+ else {
+ return $video->dimensions;
+ }
+ }
+
+ /**
+ * Load a file based on the file id ($fid)
+ *
+ * @param $fid
+ * Integer of the file id to be loaded.
+ */
+ public function load_video($fid) {
+ $result = db_query('SELECT f.*, vf.vid, vf.nid, vf.dimensions, vf.status as video_status FROM {video_files} vf LEFT JOIN {files} f ON vf.fid = f.fid WHERE f.fid=vf.fid AND f.fid = %d', $fid);
+ return db_fetch_object($result);
+ }
+
+ /**
+ * Load a converted video based on the file id ($fid)
+ *
+ * @todo: Need to figure something out here for multiple files (HTML 5)
+ * @param $fid
+ * Integer of the file id to be loaded.
+ */
+ public function load_converted_video($fid) {
+ $result = db_query('SELECT * FROM {video_files} WHERE fid = %d', $fid);
+ return db_fetch_object($result);
+ }
+
+ /**
+ * Change the status of the file.
+ *
+ * @param (int) $vid
+ * @param (int) $status
+ */
+ public function change_status($vid, $status) {
+ $result = db_query('UPDATE {video_files} SET status = %d WHERE vid = %d ', $status, $vid);
+ }
+}
+?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 05:07:45 +0000