diff options
Diffstat (limited to 'transcoders/video_ffmpeg.inc')
| -rw-r--r-- | transcoders/video_ffmpeg.inc | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/transcoders/video_ffmpeg.inc b/transcoders/video_ffmpeg.inc deleted file mode 100644 index 713693a..0000000 --- a/transcoders/video_ffmpeg.inc +++ /dev/null @@ -1,312 +0,0 @@ -<?php -//$Id$ -/* - * @file - * Transcoder class file to handle ffmpeg settings and conversions. - * - */ - - -class video_ffmpeg implements transcoder_interface { - // Naming for our radio options. Makes it easy to extend our transcoders. - private $name = 'FFmpeg'; - private $value = 'video_ffmpeg'; - - protected $params = array(); - protected $audio_bitrate = 64; - protected $video_bitrate = 200; - protected $video_width = 640; - protected $video_height = 480; - protected $command = '-y -i !videofile -f flv -ar 22050 -ab !audiobitrate -s !size -b !videobitrate -qscale 1 !convertfile'; - protected $thumb_command = '-i !videofile -an -y -f mjpeg -ss !seek -vframes 1 !thumbfile'; - protected $ffmpeg = '/usr/bin/ffmpeg'; - protected $nice; - protected $video_ext = 'flv'; - - public function __construct() { - $this->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.<br />Command Executed:<br />%cmd<br />Command Output:<br />%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: ').'<ol><li>'.t('!videofile (the video file to thumbnail)').'<li>'.t('!thumbfile (a newly created temporary file to overwrite with the thumbnail)</ol>'), - '#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' => '<div id="video_ffmpeg">', - '#suffix' => '</div>' - ); - $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: ').'<ul>'. - '<li>'.t('!videofile (the video file to convert)'). - '<li>'.t('!convertfile (a newly created file to store the converted file)'). - '<li>'.t('!size (video resolution of the converted file)'). - '</ul>'.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; - } -} -?> |