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File: src/PHPVideoToolkit/FfmpegParserGeneric.php

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  Classes of Oliver Lillie  >  PHP Video Toolkit  >  src/PHPVideoToolkit/FfmpegParserGeneric.php  >  Download  
File: src/PHPVideoToolkit/FfmpegParserGeneric.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Video Toolkit
Manipulate and convert videos with ffmpeg program
Author: By
Last change: updated copy right years and a incorrect version number
updated version number in class files
Date: 0 years ago
Size: 5,527 bytes
 

Contents

Class file image Download
<?php
   
   
/**
     * This file is part of the PHP Video Toolkit v2 package.
     *
     * @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
     * @license Dual licensed under MIT and GPLv2
     * @copyright Copyright (c) 2008-2014 Oliver Lillie <http://www.buggedcom.co.uk>
     * @package PHPVideoToolkit V2
     * @version 2.1.1
     * @uses ffmpeg http://ffmpeg.sourceforge.net/
     */
    
    
namespace PHPVideoToolkit;
    
   
/**
     * This class provides generic data parsing for the output from FFmpeg.
     * Parts of the code borrow heavily from Jorrit Schippers version
     * of PHPVideoToolkit v 0.1.9.
     *
     * @access public
     * @author Oliver Lillie
     * @author Jorrit Schippers
     * @package default
     */
   
class FfmpegParserGeneric extends FfmpegParserAbstract
   
{
       
/**
         * Returns the raw data returned from ffmpeg about the available supported codecs.
         *
         * @access public
         * @author Oliver Lillie
         * @param boolean $read_from_cache
         * @return string
         */
       
public function getRawCodecData($read_from_cache=true)
        {
           
$cache_key = 'ffmpeg_parser_generic/raw_codec_data';
            if(
$read_from_cache === true && ($data = $this->_cacheGet($cache_key)))
            {
                return
$data;
            }
           
           
$exec = new FfmpegProcess('ffmpeg', $this->_config);
           
$data = $exec->addCommand('-codecs')
                         ->
execute()
                         ->
getBuffer();
           
// check the process for any errors.
           
if($exec->hasError() === true)
            {
                throw new
FfmpegProcessException('An error was encountered when attempting to read FFmpegs\' available codecs. FFmpeg reported: '.$exec->getLastLine(), null, $exec);
            }
           
           
$this->_cacheSet($cache_key, $data);
            return
$data;
        }
       
       
/**
         * Returns the raw data returned from ffmpeg about the available supported filters.
         *
         * @access public
         * @author Oliver Lillie
         * @param boolean $read_from_cache
         * @return string
         */
       
public function getRawFiltersData($read_from_cache=true)
        {
           
$cache_key = 'ffmpeg_parser_generic/raw_filters_data';
            if(
$read_from_cache === true && ($data = $this->_cacheGet($cache_key)))
            {
                return
$data;
            }
           
           
$exec = new FfmpegProcess('ffmpeg', $this->_config);
           
$data = $exec->addCommand('-filters')
                         ->
execute()
                         ->
getBuffer();
           
// check the process for any errors.
           
if($exec->hasError() === true)
            {
                throw new
FfmpegProcessException('An error was encountered when attempting to read FFmpegs\' available filters. FFmpeg reported: '.$exec->getLastLine(), null, $exec);
            }

           
$this->_cacheSet($cache_key, $data);
            return
$data;
        }
       
       
/**
         * Returns the raw data returned from ffmpeg about the available supported bitstream filters.
         *
         * @access public
         * @author Oliver Lillie
         * @param boolean $read_from_cache
         * @return string
         */
       
public function getRawBitstreamFiltersData($read_from_cache=true)
        {
           
$cache_key = 'ffmpeg_parser_generic/raw_bitstream_filters_data';
            if(
$read_from_cache === true && ($data = $this->_cacheGet($cache_key)))
            {
                return
$data;
            }
           
           
$exec = new FfmpegProcess('ffmpeg', $this->_config);
           
$data = $exec->addCommand('-bsfs')
                         ->
execute()
                         ->
getBuffer();
           
// check the process for any errors.
           
if($exec->hasError() === true)
            {
                throw new
FfmpegProcessException('An error was encountered when attempting to read FFmpegs\' available bitstream filters. FFmpeg reported: '.$exec->getLastLine(), null, $exec);
            }
           
           
$this->_cacheSet($cache_key, $data);
            return
$data;
        }
       
       
/**
         * Returns the raw data returned from ffmpeg about the available supported protocols.
         *
         * @access public
         * @author Oliver Lillie
         * @param boolean $read_from_cache
         * @return string
         */
       
public function getRawProtocolsData($read_from_cache=true)
        {
           
$cache_key = 'ffmpeg_parser_generic/raw_protocols_data';
            if(
$read_from_cache === true && ($data = $this->_cacheGet($cache_key)))
            {
                return
$data;
            }
           
           
$exec = new FfmpegProcess('ffmpeg', $this->_config);
           
$data = $exec->addCommand('-protocols')
                         ->
execute()
                         ->
getBuffer();
           
// check the process for any errors.
           
if($exec->hasError() === true)
            {
                throw new
FfmpegProcessException('An error was encountered when attempting to read FFmpegs\' available protocols. FFmpeg reported: '.$exec->getLastLine(), null, $exec);
            }
           
           
$this->_cacheSet($cache_key, $data);
            return
$data;
        }
       
    }