Added phpvideotoolkit transcoder and updates to the preset ui

1 files changed, 387 insertions, 0 deletions

diff --git a/libraries/phpvideotoolkit/adapters/toolkit/video.php b/libraries/phpvideotoolkit/adapters/toolkit/video.php
new file mode 100644
index 0000000..759d884
--- /dev/null
+++ b/libraries/phpvideotoolkit/adapters/toolkit/video.php
@@ -0,0 +1,387 @@
+<?php
+
+	/* SVN FILE: $Id$ */
+	/**
+	 * @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
+	 * @package PHPVideoToolkit
+	 * @license BSD
+	 * @copyright Copyright (c) 2008 Oliver Lillie <http://www.buggedcom.co.uk>
+	 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
+	 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
+	 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
+	 * is furnished to do so, subject to the following conditions:  The above copyright notice and this permission notice shall be
+	 * included in all copies or substantial portions of the Software.
+	 *
+	 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+	 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+	 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+	 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+	 */
+	if(!defined('DS'))
+	{
+		define('DS', DIRECTORY_SEPARATOR);
+	}
+	
+	/**
+	 * This is similar in terms to FFmpeg-PHP's ffmpeg_movie, however it is just for video's and not just audio.
+	 */
+	class PHPVideoToolkit_Video
+	{
+		private $_frame_index 	= 1;
+		private $_toolkit 		= null;
+		private $_media_data 	= null;
+		private $_path_to_media = null;
+		private $_tmp_directory = null;
+		
+		/**
+		 * Class Constructor
+		 * @param string $path_to_media The path to the media file you want to use.
+		 * @param string $tmp_directory The temp directory to which to work from. (remember the trailing slash), default set by PHPVIDEOTOOLKIT_TEMP_DIRECTORY
+		 */
+		function __construct($path_to_media, $tmp_directory=PHPVIDEOTOOLKIT_TEMP_DIRECTORY)
+		{
+// 			init PHPVideoToolkit class
+			require_once dirname(dirname(dirname(__FILE__))).DS.'phpvideotoolkit.php5.php';
+// 			store the media path
+			$this->_path_to_media = $path_to_media;
+			$this->_tmp_directory = $tmp_directory;
+// 			if the path is infact a class of PHPVideoToolkit then just copy the class
+			if(get_class($path_to_media) === false)
+			{
+				$this->_toolkit = $path_to_media;
+			}
+			else
+			{
+// 				create the toolkit item
+				$this->_toolkit = new PHPVideoToolkit($tmp_directory);
+				$this->_toolkit->on_error_die = false;
+// 				set the input
+				$this->_toolkit->setInputFile($path_to_media);
+			}
+		}
+		
+		/**
+		 * Destructs any internal processes.
+		 * @access private
+		 */
+		function __destruct()
+		{
+//			loop through the temp files to remove first as they have to be removed before the dir can be removed
+			if(!empty($this->_unlink_files))
+			{
+				foreach ($this->_unlink_files as $key=>$file)
+				{
+					if(is_file($file))
+					{
+						@unlink($file);
+					}
+				}
+				$this->_unlink_files = array();
+			}
+//			loop through the dirs to remove
+			if(!empty($this->_unlink_dirs))
+			{
+				foreach ($this->_unlink_dirs as $key=>$dir)
+				{
+					if(is_dir($dir))
+					{
+						@rmdir($dir);
+					}
+				}
+				$this->_unlink_dirs = array();
+			}
+		}
+		
+		/**
+		 * Loads the meta data for the media file
+		 * @access private
+		 */
+		private function _getMediaData()
+		{
+			if($this->_media_data === null)
+			{
+				$this->_media_data = $this->_toolkit->getFileInfo();
+			}
+		}
+		
+		/**
+		 * Return the duration of a movie or audio file in seconds.
+		 * @access public
+		 * @return integer
+		 */
+		public function getDuration()
+		{
+			$this->_getMediaData();
+			return $this->_media_data['duration']['seconds'];
+		}
+		
+		/**
+		 * Return the number of frames in a movie or audio file.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameCount()
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['frame_count'] : -1;
+		}
+		
+		/**
+		 * Return the frame rate of a movie in fps.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameRate()
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['frame_rate'] : -1;
+		}
+		
+		/**
+		 * Return the path and name of the movie file or audio file.
+		 * @access public
+		 * @return string
+		 */
+		public function getFilename()
+		{
+			return basename($this->_path_to_media);
+		}
+		
+		/**
+		 * Return the height of the movie in pixels.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameHeight()
+		{
+			return $this->hasVideo() && isset($this->_media_data['video']['dimensions']) ? $this->_media_data['video']['dimensions']['height'] : -1;
+		}
+		
+		/**
+		 * Return the width of the movie in pixels.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameWidth()
+		{
+			return $this->hasVideo() && isset($this->_media_data['video']['dimensions']) ? $this->_media_data['video']['dimensions']['width'] : -1;
+		}
+		
+		/**
+		 * Return the pixel format of the movie.
+		 * @access public
+		 * @return mixed string | -1
+		 */
+		public function getPixelFormat()
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['pixel_format'] : -1;
+		}
+		
+		/**
+		 * Return the pixel aspect ratio of the movie
+		 * @access public
+		 * @return integer
+		 */
+		public function getPixelAspectRatio()
+		{
+			return -1; 
+		}
+		
+		/**
+		 * Return the bit rate of the movie or audio file in bits per second.
+		 * @access public
+		 * @return integer
+		 */
+		public function getBitRate()
+		{
+			$this->_getMediaData();
+			return isset($this->_media_data['bitrate']) ? $this->_media_data['bitrate'] : -1;
+		}
+		
+		/**
+		 * Return the bit rate of the video in bits per second.
+		 * NOTE: This only works for files with constant bit rate.
+		 * @access public
+		 * @return integer
+		 */
+		public function getVideoBitRate()
+		{
+			return $this->hasVideo() && isset($this->_media_data['video']['bitrate']) ? $this->_media_data['video']['bitrate'] : -1;
+		}
+		
+		/**
+		 * Return the audio bit rate of the media file in bits per second.
+		 * @access public
+		 * @return integer
+		 */
+		public function getAudioBitRate()
+		{
+			return $this->hasAudio() && isset($this->_media_data['audio']['bitrate']) ? $this->_media_data['audio']['bitrate'] : -1;
+		}
+		
+		/**
+		 * Return the audio sample rate of the media file in bits per second.
+		 * @access public
+		 * @return integer
+		 */
+		public function getAudioSampleRate()
+		{
+			return $this->hasAudio() && isset($this->_media_data['audio']['sample_rate']) ? $this->_media_data['audio']['sample_rate'] : -1;
+		}
+		
+		/**
+		 * Return the name of the video codec used to encode this movie as a string.
+		 * @access public
+		 * @param boolean $return_all If true it will return all audio codecs found.
+		 * @return mixed string | array
+		 */
+		public function getVideoCodec($return_all=false)
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['codec'] : -1;
+		}
+		
+		/**
+		 * Return the name of the audio codec used to encode this movie as a string.
+		 * @access public
+		 * @param boolean $return_all If true it will return all audio codecs found.
+		 * @return mixed string | array
+		 */
+		public function getAudioCodec()
+		{
+			return $this->hasAudio() ? $this->_media_data['audio']['codec'] : -1;
+		}
+		
+		/**
+		 * Return the number of audio channels in this movie as an integer.
+		 * @access public
+		 * @return integer
+		 */
+		public function getAudioChannels()
+		{
+			return $this->hasAudio();
+		}
+		
+		/**
+		 * Return boolean value indicating whether the movie has an audio stream.
+		 * @access public
+		 * @return boolean
+		 */
+		public function hasAudio()
+		{
+			$this->_getMediaData();
+			return isset($this->_media_data['audio']);
+		}
+		
+		/**
+		 * Return boolean value indicating whether the movie has a video stream.
+		 * @access public
+		 * @return boolean
+		 */
+		public function hasVideo()
+		{
+			$this->_getMediaData();
+			return isset($this->_media_data['video']);
+		}
+		
+		public function convert()
+		{
+		}
+		
+		/**
+		 * This will resize and return an new instance of PHPVideoToolkit_Video.
+		 * @access public
+		 * @return PHPVideoToolkit_Video
+		 */
+		public function resize($width, $height=null, $multi_pass_encode=false)
+		{
+// 			set the instance dimensions
+			$this->_toolkit->setVideoDimensions($width, $height);
+// 			create a new video toolkit object to return
+			return new PHPVideoToolkit_Video($this->_toolkit, $this->_tmp_directory);
+		}
+		
+		public function watermark()
+		{
+		}
+		
+		public function getAudio()
+		{
+		}
+		
+		public function save($filename, $multi_pass_encode=false, $overwrite_mode=PHPVideoToolkit::OVERWRITE_FAIL)
+		{
+			$output_directory, $output_name, 
+			$path_info = pathinfo($filename);
+// 			set the output
+			$this->_toolkit->setOutput($path_info['dirname'], $path_parts['basename'], $overwrite_mode);
+			return $this->_toolkit->execute($multi_pass_encode, false);
+		}
+		
+		/**
+		 * Returns a frame from the movie as an PHPVideoToolkit_Frame object. 
+		 * Returns false if the frame was not found.
+		 * @access public
+		 * @return mixed boolean | PHPVideoToolkit_Frame
+		 */
+		public function getFrame($frame_number=false)
+		{
+			if(!$this->hasVideo())
+			{
+				return false;
+			}
+			$this->_toolkit->reset(true);
+			require_once dirname(__FILE__).DS.'frame.php';
+			if(!$frame_number)
+			{
+				$frame_number = $this->_frame_index;
+				$this->_frame_index += 1;
+			}
+			else
+			{
+				$this->_frame_index = $frame_number;
+			}
+// 			check the frame required exists in the video
+			if($frame_number > $this->getFrameCount())
+			{
+				return false;
+			}
+// 			work out the exact frame to take
+			$frame_rate = $this->getFrameRate();
+// 			generate a unique name
+			$this->_toolkit->setOutput($this->_tmp_directory, $this->_toolkit->unique().'-%timecode.jpg', PHPVideoToolkit::OVERWRITE_EXISTING);
+// 			extract the frame and check the extract is ok
+			if(!($result = $this->_toolkit->extractFrame($frame_number, $frame_rate, '%ft'))
+			{
+				return $result;
+			}
+// 			return the PHPVideoToolkit_Frame instance
+			return new PHPVideoToolkit_Frame($this->_toolkit);
+		}
+		
+		/**
+		 * Returns the next key frame from the movie as an PHPVideoToolkit_Frame object. 
+		 * Returns false if the frame was not found.
+		 * @uses PHPVideoToolkit_Video::getFrame();
+		 * @access public
+		 * @return mixed boolean | PHPVideoToolkit_Frame
+		 */
+		public function getNextKeyFrame()
+		{
+			$frame_rate 	= $this->getFrameRate();
+// 			work out the next frame
+			$current_second = floor($frame_number/$frame_rate);
+			$excess			= $frame_number-($seconds * $frame_rate);
+			$frames_to_next = $frame_rate-$excess;
+			$this->_frame_index += $frames_to_next;
+// 			get the frame
+			return $this->getFrame();
+		}
+		
+		/**
+		 * Return the current frame index.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameNumber()
+		{
+			return $this->_frame_index;
+		}
+	}