aboutsummaryrefslogtreecommitdiff
path: root/includes/conversion.inc
diff options
context:
space:
mode:
Diffstat (limited to 'includes/conversion.inc')
-rw-r--r--includes/conversion.inc262
1 files changed, 0 insertions, 262 deletions
diff --git a/includes/conversion.inc b/includes/conversion.inc
deleted file mode 100644
index 4f66bfa..0000000
--- a/includes/conversion.inc
+++ /dev/null
@@ -1,262 +0,0 @@
-<?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 = REQUEST_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 2024-05-16 03:12:22 +0000