/**
* Returns the raw data returned from ffmpeg about the available supported formats.
*
* @access public
* @author Oliver Lillie
* @param boolean $read_from_cache
* @return string
*/
public function getRawFormatData($read_from_cache = true)
{
$cache_key = 'ffmpeg_raw_formats_data';
if ($read_from_cache === true && ($data = $this->_cacheGet($cache_key, -1)) !== -1) {
return $data;
}
$exec = new FfmpegProcess('ffmpeg', $this->_config);
$data = $exec->addCommand('-formats')->execute()->getBuffer();
// check the process for any errors.
if ($exec->hasError() === true) {
throw new FfmpegProcessException('An error was encountered with FFmpeg when attempting to read the formats that FFmpeg supports. FFmpeg reported: ' . $exec->getLastLine(), null, $exec);
}
$this->_cacheSet($cache_key, $data);
return $data;
}
/**
* Returns the version of ffmpeg if it is found and available.
*
* @access public
* @author Jorrit Schippers
* @param boolean $read_from_cache If true and the data exists within a cache then that data is used. If false
* then the data is re-read from ffmpeg.
* @return array Returns an array with the following keys; build, version. Note, depending on your version of ffmpeg
* either one or both of these keys will container values.
* @throws PHPVideoToolkit\FfmpegProcessException If a version is not found in the basic information then we call ffmpeg -version
* to get the version information. If that call encounters an error this exception is thrown.
*/
public function getVersion($read_from_cache = true)
{
$cache_key = 'ffmpeg_parser/ffmpeg_version';
if ($read_from_cache === true && ($data = $this->_cacheGet($cache_key))) {
return $data;
}
$version = null;
$build = null;
$raw_data = $this->getRawFfmpegData($read_from_cache);
// Search for SVN string
// FFmpeg version SVN-r20438, Copyright (c) 2000-2009 Fabrice Bellard, et al.
if ($build === null && preg_match('/(?:ffmpeg|avconv) version SVN-r([0-9.]*)/i', $raw_data, $matches) > 0) {
$build = $matches[1];
}
// // Some OSX versions are built from a very early CVS
// // I do not know what to do with this version- using 1 for now
// if(preg_match('/(?:ffmpeg|avconv) version(.*)CVS.*Mac OSX universal/msUi', $raw_data, $matches) > 0)
// {
// $build = $matches[1];
// }
// Search for git string
// FFmpeg version git-N-29240-gefb5fa7, Copyright (c) 2000-2011 the FFmpeg developers.
// ffmpeg version N-31145-g59bd0fe, Copyright (c) 2000-2011 the FFmpeg developers
if ($build === null && preg_match('/(?:ffmpeg|avconv) version.*N-([0-9.]*)/i', $raw_data, $matches) > 0) {
// Versions above this seem to be ok
if ($matches[1] >= 29240) {
$build = $matches[1];
}
}
// Do we have a release?
// ffmpeg version 0.4.9-pre1, build 4736, Copyright (c) 2000-2004 Fabrice Bellard
if ($build === null && preg_match('/(?:ffmpeg|avconv) version ([^,]+) build ([0-9]+),/i', $raw_data, $matches) > 0) {
$version = $matches[1];
$build = $matches[2];
}
// Do we have a build version?
// ffmpeg version 0.4.9-pre1, build 4736, Copyright (c) 2000-2004 Fabrice Bellard
if ($build === null && preg_match('/(?:ffmpeg|avconv) version.*, build ([0-9]*)/i', $raw_data, $matches) > 0) {
$build = $matches[1];
}
// ffmpeg version 1.1.2 Copyright (c) 2000-2013 the FFmpeg developers
if ($version === null && preg_match('/ffmpeg version ([^\\s]+) Copyright/i', $raw_data, $matches) > 0) {
$version = $matches[1];
}
// avconv version 0.8.9-4:0.8.9-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers built on Nov 9 2013 19:08:00 with gcc 4.6.3
if ($version === null && preg_match('/avconv version\\s+([^:]+):/msUi', $raw_data, $matches) > 0) {
$version = $matches[1];
}
// get the version from -version
if ($version === null) {
$exec = new FfmpegProcess('ffmpeg', $this->_config);
$data = $exec->addCommand('-version')->execute()->getBuffer();
// check the process for any errors.
if ($exec->hasError() === true) {
throw new FfmpegProcessException('An error was encountered when attempting to read FFmpegs\' version. FFmpeg reported: ' . $exec->getLastLine(), null, $exec);
}
if (preg_match('/FFmpeg version ([0-9\\.]+)/i', $data, $matches) > 0) {
$version = $matches[1];
} else {
if (preg_match('/FFmpeg ([0-9]+\\.[0-9]+\\.[0-9]+)/i', $data, $matches) > 0) {
$version = $matches[1];
}
}
}
// if both version and build are not available throw a new exception to get the user to provide their ffmpeg data to github so we can start building up different formats of ffmpeg output.
if ($version === null && $build === null) {
throw new FfmpegProcessException('Unable to determine your FFmpeg version or build. Please create an issue at the github repository for PHPVideoToolkit 2; https://github.com/buggedcom/phpvideotoolkit-v2/issues. Please add the following data to the ticket:<br />
<br />
<code>' . $this->getRawFfmpegData($read_from_cache) . '</code>');
}
$data = array('build' => $build, 'version' => $version, 'from-cache' => true, 'read-at' => time());
$this->_cacheSet($cache_key, $data);
$data['from-cache'] = false;
return $data;
}
/**
* Returns the raw data returned from ffmpeg about the available supported protocols.
*
* @access public
* @author Oliver Lillie
* @param boolean $read_from_cache If true and the data exists within a cache then that data is used. If false
* then the data is re-read from ffmpeg.
* @return string Returns the raw buffer data from ffmpeg.
* @throws PHPVideoToolkit\FfmpegProcessException If the call to ffmpeg encounters an error.
*/
public function getRawProtocolsData($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;
}