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Diffstat (limited to 'includes/conversion.inc')
| -rw-r--r-- | includes/conversion.inc | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/includes/conversion.inc b/includes/conversion.inc new file mode 100644 index 0000000..021640b --- /dev/null +++ b/includes/conversion.inc @@ -0,0 +1,117 @@ +<?php + +//$Id$ +/* + * @file + * Class file to handle video conversion using ffmpeg and webservices. + * + */ +defined('VIDEO_RENDERING_PENDING') || + define('VIDEO_RENDERING_PENDING', 1); +defined('VIDEO_RENDERING_ACTIVE') || + define('VIDEO_RENDERING_ACTIVE', 5); +defined('VIDEO_RENDERING_COMPLETE') || + define('VIDEO_RENDERING_COMPLETE', 10); +defined('VIDEO_RENDERING_FAILED') || + define('VIDEO_RENDERING_FAILED', 20); + +class video_conversion { + + protected $transcoder; + + public function __construct() { + module_load_include('inc', 'video', '/includes/transcoder'); + $this->transcoder = new video_transcoder; + } + + /** + * Our main function to call when converting queued up jobs. + */ + public function run_queue() { + if ($videos = $this->load_job_queue()) { + foreach ($videos as $video) { + $this->process($video); + } + //clear cache once completed the conversion to update the file paths + cache_clear_all('*', 'cache_content', true); + } + } + + /** + * Select videos from our queue + * + * @return + * An array containing all the videos to be proccessed. + */ + private function load_job_queue() { + // @TODO : allow only limited jobs to process + return $this->transcoder->load_job_queue(); + } + + /** + * 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 = $this->load_job($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) { + return $this->transcoder->convert_video($video); + } + return NULL; + } + + /** + * Load a converted video based on the file id ($fid) + * + * @todo: Need to figure something out here for multiple files (HTML 5) + * @param $fid + * Integer of the file id to be loaded. + */ + public function load_completed_job($video) { + return $this->transcoder->load_completed_job($video); + } + + public function create_job($video) { + return $this->transcoder->create_job($video); + } + + public function update_job($video) { + return $this->transcoder->update_job($video); + } + + public function delete_job($video) { + return $this->transcoder->delete_job($video); + } + + /** + * Load a file based on the file id ($fid) + * + * @param $fid + * Integer of the file id to be loaded. + */ + public function load_job($fid) { + return $this->transcoder->load_job($fid); + } + +} + +?>
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