params['audiobitrate'] = variable_get('video_ffmpeg_helper_auto_cvr_audio_bitrate', $this->audio_bitrate);
$this->params['videobitrate'] = variable_get('video_ffmpeg_helper_auto_cvr_video_bitrate', $this->video_bitrate);
//@todo: move this to the actual widget and save in video_files table.
$this->params['size'] = variable_get('video_ffmpeg_width', $this->video_width) . 'x' . variable_get('video_ffmpeg_height', $this->video_height);
$this->params['command'] = variable_get('video_ffmpeg_helper_auto_cvr_options', $this->command);
$this->params['cmd_path'] = variable_get('video_transcoder_path', $this->ffmpeg);
$this->params['thumb_command'] = variable_get('video_ffmpeg_thumbnailer_options', $this->thumb_command);
$this->nice = variable_get('video_ffmpeg_nice_enable', TRUE) ? 'nice -n 19' : '';
$this->params['videoext'] = variable_get('video_ffmpeg_ext', $this->video_ext);
}
public function run_command($options) {
$command = $this->nice .' '. $this->params['cmd_path'].' '.$options.' 2>&1';
watchdog('video_ffmpeg', 'Executing command: '. $command, array(), WATCHDOG_DEBUG);
ob_start();
passthru($command, $command_return);
$output = ob_get_contents();
ob_end_clean();
return $output;
}
public function generate_thumbnails($video) {
global $user;
// Setup our thmbnail path.
$video_thumb_path = variable_get('video_thumb_path', 'video_thumbs');
$final_thumb_path = file_directory_path(). '/' . $video_thumb_path . '/' . $video['fid'];
// Ensure the destination directory exists and is writable.
$directories = explode('/', $final_thumb_path);
// Get the file system directory.
$file_system = file_directory_path();
foreach ($directories as $directory) {
$full_path = isset($full_path) ? $full_path . '/' . $directory : $directory;
// Don't check directories outside the file system path.
if (strpos($full_path, $file_system) === 0) {
field_file_check_directory($full_path, FILE_CREATE_DIRECTORY);
}
}
// Total thumbs to generate
$total_thumbs = variable_get('no_of_video_thumbs', 5);
$videofile = escapeshellarg($video['filepath']);
//get the playtime from the current transcoder
$duration = $this->get_playtime($video['filepath']);
$files = NULL;
for($i = 1; $i <= $total_thumbs; $i++) {
$seek = ($duration/$total_thumbs) * $i -1; //adding minus one to prevent seek times equaling the last second of the video
$filename = "/video-thumb-for-$fid-$i.jpg";
$thumbfile = $final_thumb_path . $filename;
//skip files already exists, this will save ffmpeg traffic
if (!is_file($thumbfile)) {
//setup the command to be passed to the transcoder.
$options = t($this->params['thumb_command'], array('!videofile' => $videofile, '!seek' => $seek, '!thumbfile' => $thumbfile));
// Generate the thumbnail from the video.
$command_output = $this->run_command($options);
if (!file_exists($thumbfile)) {
$error_param = array('%file' => $thumbfile, '%cmd' => $options, '%out' => $command_output);
$error_msg = t("Error generating thumbnail for video: generated file %file does not exist.
Command Executed:
%cmd
Command Output:
%out", $error_param);
// Log the error message.
watchdog('video_transcoder',$error_msg, array(), WATCHDOG_ERROR);
continue;
}
}
// Begin building the file object.
// @TODO : use file_munge_filename()
$file = new stdClass();
$file->uid = $user->uid;
$file->status = FILE_STATUS_TEMPORARY;
$file->filename = trim($filename);
$file->filepath = $thumbfile;
$file->filemime = file_get_mimetype($filename);
$file->filesize = filesize($thumbfile);
$file->timestamp = REQUEST_TIME;
$files[] = $file;
}
return $files;
}
public function convert_video($video, $converted, $dimensions) {
// Setup our default command to be run.
$command = t($this->params['command'], array(
'!videofile' => $video->filepath,
'!audiobitrate' => $this->params['audiobitrate'],
'!size' => $dimensions,
'!videobitrate' => $this->params['videobitrate'],
'!convertfile' => $converted
));
// Process our video
return $this->run_command($command);
}
public function video_converted_extension() {
return $this->params['videoext'];
}
/**
* Get some information from the video file
*/
public function get_video_info($video) {
static $command_ouput;
if(!empty($command_output)) return $command_output;
$file = escapeshellarg($video);
// Execute the command
$options = ' -i ' . $file;
$command_output = $this->run_command($options);
return $command_output;
}
/**
* Return the playtime seconds of a video
*/
public function get_playtime($video) {
$ffmpeg_output = $this->get_video_info($video);
// Get playtime
$pattern = '/Duration: ([0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9])/';
preg_match_all($pattern, $ffmpeg_output, $matches, PREG_PATTERN_ORDER);
$playtime = $matches[1][0];
// ffmpeg return length as 00:00:31.1 Let's get playtime from that
$hmsmm = explode(":", $playtime);
$tmp = explode(".", $hmsmm[2]);
$seconds = $tmp[0];
$hours = $hmsmm[0];
$minutes = $hmsmm[1];
return $seconds + ($hours * 3600) + ($minutes * 60);
}
/*
* Return the dimensions of a video
*/
public function get_dimensions($video) {
$ffmpeg_output = $this->get_video_info($video);
$res = array('width' => 0,'height' => 0);
// Get dimensions
$regex = ereg ('[0-9]?[0-9][0-9][0-9]x[0-9][0-9][0-9][0-9]?', $ffmpeg_output, $regs );
if(isset($regs[0])) {
$dimensions = explode("x", $regs[0]);
$res['width'] = $dimensions[0] ? $dimensions[0] : NULL;
$res['height'] = $dimensions[1] ? $dimensions[1] : NULL;
}
return $res;
}
/**
* Interface Implementations
* @see sites/all/modules/video/includes/transcoder_interface#get_name()
*/
public function get_name() {
return $this->name;
}
/**
* Interface Implementations
* @see sites/all/modules/video/includes/transcoder_interface#get_value()
*/
public function get_value() {
return $this->value;
}
/**
* Interface Implementations
* @see sites/all/modules/video/includes/transcoder_interface#get_help()
*/
public function get_help() {
return l(t('FFMPEG Online Manual'), 'http://www.ffmpeg.org/');
}
/**
* Interface Implementations
* @see sites/all/modules/video/includes/transcoder_interface#admin_settings()
*/
public function admin_settings() {
$form = array();
$form['video_transcoder_path'] = array(
'#type' => 'textfield',
'#title' => t('Path to Video Transcoder'),
'#description' => t('Absolute path to ffmpeg.'),
'#default_value' => variable_get('video_transcoder_path', '/usr/bin/ffmpeg'),
);
$form['no_of_video_thumbs'] = array(
'#type' => 'textfield',
'#title' => t('Number of thumbnails'),
'#description' => t('Number of thumbnails to display from video.'),
'#default_value' => variable_get('no_of_video_thumbs', 5),
);
$form['video_ffmpeg_nice_enable'] = array(
'#type' => 'checkbox',
'#title' => t('Enable the use of nice when calling the ffmpeg command.'),
'#default_value' => variable_get('video_ffmpeg_nice_enable', TRUE),
'#description' => t('The nice command Invokes a command with an altered scheduling priority. This option may not be available on windows machines, so disable it.')
);
// Thumbnail Videos We need to put this stuff last.
$form['autothumb'] = array(
'#type' => 'fieldset',
'#title' => t('Video Thumbnails'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['autothumb']['video_thumb_path'] = array(
'#type' => 'textfield',
'#title' => t('Path to save thumbnails'),
'#description' => t('Path to save video thumbnails extracted from the videos.'),
'#default_value' => variable_get('video_thumb_path', 'video_thumbs'),
);
$form['autothumb']['advanced'] = array(
'#type' => 'fieldset',
'#title' => t('Advanced Settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE
);
$form['autothumb']['advanced']['video_ffmpeg_thumbnailer_options'] = array(
'#type' => 'textarea',
'#title' => t('Video thumbnailer options'),
'#description' => t('Provide the options for the thumbnailer. Available argument values are: ').'- '.t('!videofile (the video file to thumbnail)').'
- '.t('!thumbfile (a newly created temporary file to overwrite with the thumbnail)
'),
'#default_value' => variable_get('video_ffmpeg_thumbnailer_options', '-i !videofile -an -y -f mjpeg -ss !seek -vframes 1 !thumbfile'),
);
// Video conversion settings.
$form['autoconv'] = array(
'#type' => 'fieldset',
'#title' => t('Video Conversion'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#prefix' => '',
'#suffix' => '
'
);
$form['autoconv']['video_ffmpeg_ext'] = array(
'#type' => 'textfield',
'#title' => t('Video Extension'),
'#size' => 10,
'#maxlength' => 10,
'#default_value' => variable_get('video_ffmpeg_ext', 'flv'),
'#description' => t('The video extensions without the period you want the converted file to contain.')
);
$form['autoconv']['video_ffmpeg_width'] = array(
'#type' => 'textfield',
'#title' => t('Video Width'),
'#size' => 10,
'#maxlength' => 10,
'#default_value' => variable_get('video_ffmpeg_width', 640),
);
$form['autoconv']['video_ffmpeg_height'] = array(
'#type' => 'textfield',
'#title' => t('Video height'),
'#size' => 10,
'#maxlength' => 10,
'#default_value' => variable_get('video_ffmpeg_height', 480),
);
$form['autoconv']['video_ffmpeg_helper_auto_cvr_video_bitrate'] = array(
'#type' => 'textfield',
'#title' => t('Video bitrate'),
'#description' => t('The video bitrate in bit/s of the converted video.'),
'#size' => 10,
'#maxlength' => 10,
'#default_value' => variable_get('video_ffmpeg_helper_auto_cvr_video_bitrate', 200000),
);
$form['autoconv']['video_ffmpeg_helper_auto_cvr_audio_bitrate'] = array(
'#type' => 'textfield',
'#title' => t('Audio bitrate'),
'#description' => t('The audio bitrate in bit/s of the converted video.'),
'#size' => 10,
'#maxlength' => 10,
'#default_value' => variable_get('video_ffmpeg_helper_auto_cvr_audio_bitrate', 64000),
);
$form['autoconv']['advanced'] = array(
'#type' => 'fieldset',
'#title' => t('Advanced Settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE
);
$form['autoconv']['advanced']['video_ffmpeg_helper_auto_cvr_options'] = array(
'#type' => 'textarea',
'#title' => t('Video converter options'),
'#description' => t('Provide the ffmpeg options to configure the video conversion. Available argument values are: ').''.
'- '.t('!videofile (the video file to convert)').
'
- '.t('!convertfile (a newly created file to store the converted file)').
'
- '.t('!size (video resolution of the converted file)').
'
'.t('For further informations refer to the !ffmpegdoc', array('!ffmpegdoc' => l(t('Official FFMpeg documentation.'), 'http://ffmpeg.mplayerhq.hu/ffmpeg-doc.html', array('fragment' => TRUE)))),
'#default_value' => variable_get('video_ffmpeg_helper_auto_cvr_options', '-y -i !videofile -f flv -ar 22050 -ab !audiobitrate -s !size -b !videobitrate -qscale 1 !convertfile'),
);
return $form;
}
}
?>