<?php
// ... snip ...

	public function process(majaxMediaFileInfo $file_info, $new_width = null, $new_height = null, $crop_method = 'fit', $aspect_ratio = '16:9')
	{
		$name = $file_info->getName();
		$sha1 = $file_info->getSha1();
		$path = $this->path_builder->render($sha1);
		$full_path = sfConfig::get('app_majax_media_cache_dir').DIRECTORY_SEPARATOR.$path.DIRECTORY_SEPARATOR.$name;
		if (!file_exists(sfConfig::get('app_majax_media_cache_dir').DIRECTORY_SEPARATOR.$path.DIRECTORY_SEPARATOR.$name))
		{
			$this->ensurePath($path, sfConfig::get('app_majax_media_cache_dir'));
		  $this->file_helper->write($full_path, $file_info->getData());
		}

	  $src_width = $file_info->getVideoWidth();
	  $src_height = $file_info->getVideoHeight();

		if ($new_width !== null || $new_height !== null)
		{
			list($new_width, $new_height) = $this->getRatioDimensions($src_width, $src_height, $new_width, $new_height, $aspect_ratio);
		} else {
			list($new_width, $new_height) = array($src_width, $src_height);
		}


		$args = array('-i', $full_path, '-ar', '22050', '-b', '409600');


		$translator_class = sfConfig::get('app_majax_media_video_transformation_builder', 'majaxMediaFFMpegVideoTransformationBuilder');
		$translator_fit_class = sfConfig::get('app_majax_media_video_transformation_fit_builder', 'majaxMediaFFMpegVideoTransformationFitBuilder');

    if ($c_m == 'fit')
    {
  		$translator = new $translator_fit_class();
  		list($new_width, $new_height) = $translator->render($s_w, $s_h, $new_width, $new_height, $c_m);
  	} else {
  		$translator = new $translator_class();
			$new_args = $translator->render($s_w, $s_h, $new_width, $new_height, $c_m);
			$args = array_merge($args, $new_args);
		}


		$new_width = (ceil($new_width / 2) * 2);
		$new_height = (ceil($new_height / 2) * 2);

    $new_filename = $this->filename_builder->render($new_width, $new_height, $crop_method, $name, 'flv');

		$new_partial_path = $path.DIRECTORY_SEPARATOR.$new_filename;


		// start the transformation code...

		$args[] = '-s';
		$args[] = $new_width.'x'.$new_height;

		$ffmpeg = sfConfig::get('app_majax_media_ffmpeg_path', '/usr/bin/ffmpeg');
		// now we need to figure out the cropping/padding


		$new_full_path = sfConfig::get('app_majax_media_cache_dir').DIRECTORY_SEPARATOR.$new_partial_path;
		$args[] = $new_full_path;


		if ($ffmpeg == false || !file_exists($ffmpeg))
		{
			trigger_error('FFMPEG Not installed. Video source will not be resized', E_WARNING);
			$new_partial_path = $path.DIRECTORY_SEPARATOR.$name;
		}


		if (($ffmpeg != false && file_exists($ffmpeg)) && !file_exists($new_full_path))
		{
			foreach ($args as $i => $arg)
				$args[$i] = escapeshellarg ($arg);

			//echo($ffmpeg.' '.join(' ', $args));
			$count = 0;
			while ($this->file_helper->hasFileLock($full_path, false) || $this->file_helper->hasFileLock($new_full_path, false) == false)
			{
				usleep(500);
				$count++;
				if ($count == 10)
					break;
			}

			if (!$this->file_helper->hasFileLock($full_path) && $this->file_helper->getFileLock($new_full_path))
			{
			  $this->executor->setExecutable($ffmpeg);
			  $this->executor->setArguments($args);
			  $this->executor->execute();
				$this->file_helper->removeFileLock($new_full_path);
			}
		}


		$new_partial_path = '/'.sfConfig::get('majax_media_dir_name').'/'.$new_partial_path;


		if ($path_only)
			return $new_partial_path;


		$render_class = sfConfig::get('app_majaxMedia_video_render', 'majaxMediaVideoRender');
		$render = new $render_class();
		return $render->render($this, $new_partial_path);
	}

// ... snip ...