public static function gif($file, $options=array(), $target_extension='gif')
{
// merge the options with the defaults
$options = array_merge(array(
'temp_dir' => '/tmp',
'width' => 320,
'height' => 240,
'ratio' => false, //PHPVideoToolkit::RATIO_STANDARD,
'frame_rate' => 1,
'loop_output' => 0, // 0 will loop endlessly
'output_dir' => null, // this doesn't have to be set it can be automatically retreived from 'output_file'
'output_file' => '#filename.#ext', // you can use #filename to automagically hold the filename and #ext to automagically hold the target format extension
'output_title' => '#filename', // you can use #filename to automagically hold the filename and #ext to automagically hold the target format extension
'use_multipass' => false,
'generate_log' => true,
'log_directory' => null,
'die_on_error' => false,
'overwrite_mode' => PHPVideoToolkit::OVERWRITE_FAIL
), $options);
// start PHPVideoToolkit class
require_once dirname(dirname(__FILE__)).DS.'phpvideotoolkit.php5.php';
$toolkit = new PHPVideoToolkit($options['temp_dir']);
$toolkit->on_error_die = $options['die_on_error'];
// get the output directory
if($options['output_dir'])
{
$output_dir = $options['output_dir'];
}
else
{
$output_dir = dirname($options['output_file']);
$output_dir = $output_dir == '.' ? dirname($file) : $output_dir;
}
// get the filename parts
$filename = basename($file);
$filename_minus_ext = substr($filename, 0, strrpos($filename, '.'));
// get the output filename
$output_filename = str_replace(array('#filename', '#ext'), array($filename_minus_ext, $target_extension), basename($options['output_file']));
// set the input file
$ok = $toolkit->setInputFile($file);
// check the return value in-case of error
if(!$ok)
{
$toolkit->reset();
array_push(self::$_error_messages, $toolkit->getLastError());
return false;
}
$toolkit->setFormat(PHPVideoToolkit::FORMAT_GIF);
$toolkit->disableAudio();
if($options['ratio'] !== false)
{
$toolkit->setVideoAspectRatio($options['ratio']);
}
$toolkit->setVideoOutputDimensions($options['width'], $options['height']);
$toolkit->setVideoFrameRate($options['frame_rate']);
$toolkit->addCommand('-loop_output', $options['loop_output']);
// set the output details and overwrite if nessecary
$ok = $toolkit->setOutput($output_dir, $output_filename, $options['overwrite_mode']);
// check the return value in-case of error
if(!$ok)
{
$toolkit->reset();
array_push(self::$_error_messages, $toolkit->getLastError());
return false;
}
// execute the ffmpeg command using multiple passes and log the calls and PHPVideoToolkit results
$result = $toolkit->execute($options['use_multipass'], $options['generate_log']);
array_push(self::$_commands, $toolkit->getLastCommand());
// check the return value in-case of error
if($result !== PHPVideoToolkit::RESULT_OK)
{
// move the log file to the log directory as something has gone wrong
if($options['generate_log'])
{
$log_dir = $options['log_directory'] ? $options['log_directory'] : $output_dir;
$toolkit->moveLog($log_dir.$filename_minus_ext.'.log');
array_push(self::$_log_files, $log_dir.$filename_minus_ext.'.log');
}
$toolkit->reset();
array_push(self::$_error_messages, $toolkit->getLastError());
return $result;
}
array_push(self::$_outputs, $toolkit->getLastOutput());
// reset
$toolkit->reset();
return $result;
}
