* @package PHPVideoToolkit * @license BSD * @copyright Copyright (c) 2008 Oliver Lillie * 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. */ echo ''; echo '← Back to examples list

'; echo 'This example shows you how to extract audio from video.
'; echo '• The media player used below is Jeroen Wijering\'s excellent Flash Media Player. Although bundled with this package the Flash Media Player has a Creative Commons Attribution-Noncommercial-Share Alike 2.0 Generic license.
'; echo '• The media player is embedded using PluginObject to embed the examples. It is distributed under a BSD License.
'; // load the examples configuration require_once '../example-config.php'; // require the library require_once '../../phpvideotoolkit.'.$use_version.'.php'; // temp directory $tmp_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'tmp'.DS; // input movie files $files_to_process = array( PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'red5RecordDemo_266.flv', PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'on2_flash8_w_audio.flv', PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'MOV00007.3gp', PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'cat.mpeg' ); // output files dirname has to exist $audio_output_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'processed'.DS.'audio'.DS; // log dir $log_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'logs'.DS; // bit rate of audio (valid vaues are 16,32,64) $bitrate = 64; // sampling rate (valid values are 11025, 22050, 44100) $samprate = 44100; // start PHPVideoToolkit class $toolkit = new PHPVideoToolkit($tmp_dir); // set PHPVideoToolkit class to run silently $toolkit->on_error_die = FALSE; // start the timer collection $total_process_time = 0; // loop through the files to process foreach($files_to_process as $key=>$file) { // get the filename parts $filename = basename($file); $filename_minus_ext = substr($filename, 0, strrpos($filename, '.')); echo 'Processing '.$filename.'
'; // set the input file $ok = $toolkit->setInputFile($file); // check the return value in-case of error if(!$ok) { // if there was an error then get it echo $toolkit->getLastError()."

\r\n"; $toolkit->reset(); continue; } // set the audio extraction settings $toolkit->extractAudio(PHPVideoToolkit::FORMAT_MP3, $samprate, $bitrate); // set the output details and overwrite if nessecary $ok = $toolkit->setOutput($audio_output_dir, $filename_minus_ext.'.mp3', PHPVideoToolkit::OVERWRITE_EXISTING); // check the return value in-case of error if(!$ok) { // if there was an error then get it echo $toolkit->getLastError()."

\r\n"; $toolkit->reset(); continue; } // execute the ffmpeg command and log the calls and ffmpeg results $result = $toolkit->execute(false, true); // get the last command given $command = $toolkit->getLastCommand(); echo $command."
\r\n"; // check the return value in-case of error if($result !== PHPVideoToolkit::RESULT_OK) { // move the log file to the log directory as something has gone wrong $toolkit->moveLog($log_dir.$filename_minus_ext.'.log'); // if there was an error then get it echo $toolkit->getLastError()."

\r\n"; $toolkit->reset(); continue; } // get the process time of the file $process_time = $toolkit->getLastProcessTime(); $total_process_time += $process_time; $file = array_shift($toolkit->getLastOutput()); $filename = basename($file); $filename_hash = md5($filename); echo 'Audio extracted in '.$process_time.' seconds...

'."\r\n"; // reset $toolkit->reset(); } echo "\r\n".'The total time taken to process all '.($key+1).' file(s) is : '.$total_process_time.''; echo '
'."\r\n".'The average time taken to process each file is : '.($total_process_time/($key+1)).''; echo '';