nice = variable_get('video_ffmpeg_nice_enable', FALSE) ? 'nice -n 19 ' : ''; $this->thumbcmdoptions = variable_get('video_ffmpeg_thumbnailer_options', '-i !videofile -an -y -f mjpeg -ss !seek -vframes 1 !thumbfile'); $this->enablefaststart = variable_get('video_ffmpeg_enable_faststart', FALSE); $this->faststartcmd = variable_get('video_ffmpeg_faststart_cmd', '/usr/bin/qt-faststart'); $this->cmdpath = variable_get('video_transcoder_path', '/usr/bin/ffmpeg'); $this->logcommands = (bool)variable_get('video_ffmpeg_log_commands', TRUE); } /** * Run the specified command * * The nice prefix is automatically added. * The command is logged if the settings specify that all commands should be logged. * The command and error are logged if the command results in an error * * @param string $command * @param string $output Output of the command * @param string $purpose Purpose of the command. This is logged. * @param bool $ignoreoutputfilenotfound Whether to the output file not found error. Useful for input file information. */ private function run_command($command, &$output, $purpose = NULL, $ignoreoutputfilenotfound = FALSE) { $output = ''; $command = $this->nice . $command .' 2>&1'; $purposetext = !empty($purpose) ? (' '. t('for') .' '. $purpose) : ''; if ($this->logcommands) { watchdog('video_ffmpeg', 'Executing ffmpeg command!purposetext: 
@command
', array('@command' => $command, '!purposetext' => $purposetext), WATCHDOG_DEBUG); } $return_var = 0; ob_start(); passthru($command, &$return_var); $output = ob_get_clean(); // Returnvar 1 means input file not found. This is normal for information calls. if ($return_var != 0 && ($return_var != 1 || !$ignoreoutputfilenotfound)) { watchdog('video_ffmpeg', 'Error executing ffmpeg command!purposetext:
@command
Output:
@output
', array('@command' => $command, '@output' => trim($output), '!purposetext' => $purposetext), WATCHDOG_ERROR); return FALSE; } return TRUE; } public function generate_thumbnails($video) { global $user; $final_thumb_path = video_thumb_path($video); $total_thumbs = variable_get('video_thumbs', 5); $files = NULL; for ($i = 1; $i <= $total_thumbs; $i++) { $filename = '/video-thumb-for-'. $video['fid'] .'-'. $i .'.jpg'; $thumbfile = $final_thumb_path . $filename; //skip files already exists, this will save ffmpeg traffic if (!is_file($thumbfile)) { if (!isset($duration)) { $duration = $this->get_playtime($video['filepath']); } $seek = ($duration / $total_thumbs) * $i - 1; //adding minus one to prevent seek times equaling the last second of the video //setup the command to be passed to the transcoder. $command = $this->cmdpath .' '. strtr($this->thumbcmdoptions, array('!videofile' => escapeshellarg($video['filepath']), '!seek' => $seek, '!thumbfile' => $thumbfile)); // Generate the thumbnail from the video. $command_output = ''; $this->run_command($command, $command_output, t('generating thumbnails')); // don't consider zero-byte files a success $exists = file_exists($thumbfile); if (!$exists || filesize($thumbfile) == 0) { $params = array('%file' => $thumbfile, '%video' => $video['filename']); if ($exists) { $error_msg = 'Error generating thumbnail for video %video: generated file %file is empty. This problem may be caused by a broken video file. The video reports that its length is @duration seconds. If this is wrong, please recreate the video and try again.'; $params['@duration'] = $duration; unlink($thumbfile); } else { $error_msg = 'Error generating thumbnail for video %video: generated file %file does not exist.'; } // Log the error message and break. Other thumbnails probably will not be generated as well. watchdog('video_ffmpeg', $error_msg, $params, WATCHDOG_ERROR); drupal_set_message(t($error_msg, $params), 'error'); break; } } // Begin building the file object. // @TODO : use file_munge_filename() $file = new stdClass(); $file->uid = $user->uid; $file->status = FILE_STATUS_TEMPORARY; $file->filename = $filename; $file->filepath = $thumbfile; $file->filemime = 'image/jpeg'; $file->filesize = filesize($thumbfile); $file->timestamp = time(); $files[] = $file; } return $files; } public function convert_video($video) { // This will update our current video status to active. $this->change_status($video->vid, VIDEO_RENDERING_ACTIVE); // Get the converted file object //we are going to move our video to an "original" folder //we are going to transcode the video to the "converted" folder // @TODO This about getting the correct path from the filefield if they active it $files = file_create_path(); $originaldir = $files .'/videos/original'; $converteddir = $files .'/videos/converted'; if (!field_file_check_directory($originaldir, FILE_CREATE_DIRECTORY)) { watchdog('video_ffmpeg', 'Video conversion failed. Could not create directory %dir for storing original videos.', array('%dir' => $originaldir), WATCHDOG_ERROR); return false; } if (!field_file_check_directory($converteddir, FILE_CREATE_DIRECTORY)) { watchdog('video_ffmpeg', 'Video conversion failed. Could not create directory %dir for storing converted videos.', array('%dir' => $converteddir), WATCHDOG_ERROR); return false; } $original = $originaldir .'/'. $video->filename; //lets move our video and then convert it. if (!file_move($video, $original)) { watchdog('video_ffmpeg', 'Could not move video %orig to the original folder.', array('%orig' => $video->filepath), WATCHDOG_ERROR); $this->change_status($video->vid, VIDEO_RENDERING_FAILED); return FALSE; } // Update our filepath since we moved it drupal_write_record('files', $video, 'fid'); // Increase the database timeout to prevent database errors after a long upload _video_db_increase_timeout(); // Get video information before doing a chdir $dimensions = $this->dimensions($video); $dimension = explode('x', $dimensions, 2); $filepath = realpath($video->filepath); // Make the directories absolute $originaldir = realpath($originaldir); $converteddir = realpath($converteddir); // Create a temporary directory $drupaldir = getcwd(); $drupaldirrp = realpath($drupaldir); $tmpdir = tempnam(file_directory_temp(), 'ffmpeg-'. $video->fid); unlink($tmpdir); mkdir($tmpdir, 0777); chdir($tmpdir); $result = TRUE; // process presets $presets = $video->presets; $converted_files = array(); foreach ($presets as $presetname => $preset) { //update our filename after the move to maintain filename uniqueness. $converted = file_create_filename(str_replace(' ', '_', pathinfo($video->filepath, PATHINFO_FILENAME)) .'.'. $preset['extension'], $converteddir); //call our transcoder $ffmpeg_output = $converted; if ($this->enablefaststart && ($preset['extension'] == 'mp4' || $preset['extension'] == 'mov')) { $ffmpeg_output = file_directory_temp() .'/'. basename($converted); } $command_output = ''; // Setup our default command to be run. foreach ($preset['command'] as $command) { $command = strtr($command, array( '!cmd_path' => $this->cmdpath, '!videofile' => escapeshellarg($filepath), '!audiobitrate' => $preset['audio_bitrate'], '!width' => intval($dimension[0]), '!height' => intval($dimension[1]), '!videobitrate' => $preset['video_bitrate'], '!convertfile' => escapeshellarg($ffmpeg_output), )); // Process our video if (!$this->run_command($command, $command_output, t('rendering preset %preset', array('%preset' => $presetname)))) { $result = FALSE; break 2; } } if ($ffmpeg_output != $converted && file_exists($ffmpeg_output)) { // Because the transcoder_interface doesn't allow the run_command() to include the ability to pass // the command to be execute so we need to fudge the command to run qt-faststart. $command_result = $this->run_command($this->faststartcmd .' '. $ffmpeg_output .' '. $converted, $command_output, t('running qt-faststart')); // Delete the temporary output file. file_delete($ffmpeg_output); } //lets check to make sure our file exists, if not error out if (!file_exists($converted) || ($filesize = filesize($converted)) === 0) { watchdog('video_ffmpeg', 'Video conversion failed for preset %preset: result file was not found.', array('%preset' => $presetname), WATCHDOG_ERROR); $result = FALSE; break; } $converted = realpath($converted); //Create result object $converted_files[] = $file = new stdClass(); $file->vid = intval($video->vid); $file->filename = basename($converted); $file->filepath = substr($converted, strlen($drupaldirrp) + 1); $file->filemime = file_get_mimetype($converted); $file->filesize = $filesize; $file->preset = $presetname; } chdir($drupaldir); rmdirr($tmpdir); // Update our video_files table with the converted video information. if ($result) { $result = db_query('UPDATE {video_files} SET status = %d, completed = %d, data = "%s" WHERE vid = %d', VIDEO_RENDERING_COMPLETE, time(), serialize($converted_files), $video->vid); // Prepare the watchdog statement $destinationfiles = array(); foreach ($converted_files as $file) { $destinationfiles[] = $file->filepath; } watchdog('video_ffmpeg', 'Successfully converted %orig to !destination-files', array('%orig' => $video->filepath, '!destination-files' => implode(', ', $destinationfiles)), WATCHDOG_INFO); } else { // Remove files that have been created foreach ($converted_files as $file) { file_delete($file->filepath); } // Try to move back the original file file_move($video, $files .'/videos'); drupal_write_record('files', $video, 'fid'); $this->change_status($video->vid, VIDEO_RENDERING_FAILED); } return $result; } /** * Get some information from the video file */ private function get_video_info($video) { $command = $this->cmdpath .' -i '. escapeshellarg($video); // Execute the command $output = ''; if ($this->run_command($command, $output, t('retrieving video info'), true)) { return $output; } return NULL; } /** * Return the playtime seconds of a video */ public function get_playtime($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_ffmpeg_start'] = array( '#type' => 'markup', '#value' => '
', ); $form['video_transcoder_path'] = array( '#type' => 'textfield', '#title' => t('Path to Video Transcoder'), '#description' => t('Absolute path to ffmpeg.'), '#default_value' => $this->cmdpath, ); $form['video_thumbs'] = array( '#type' => 'textfield', '#title' => t('Number of thumbnails'), '#description' => t('Number of thumbnails to display from video.'), '#default_value' => variable_get('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.') ); $form['video_ffmpeg_log_commands'] = array( '#type' => 'checkbox', '#title' => t('Log all executed commands to the Drupal log.'), '#default_value' => $this->logcommands, '#description' => t('Enable this option when debugging ffmpeg encoding to log all commands to the Drupal log. This may help with debugging ffmpeg problems. When this option is disabled, only errors will be logged.', array('@dblog-page' => url('admin/reports/dblog'))) ); // 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: ') . '
  1. ' . t('!videofile (the video file to thumbnail)') . '
  2. ' . t('!thumbfile (a newly created temporary file to overwrite with the thumbnail)
'), '#default_value' => $this->thumbcmdoptions, ); // Video conversion settings. $form['autoconv'] = array( '#type' => 'fieldset', '#title' => t('Video Conversion'), '#collapsible' => TRUE, '#collapsed' => TRUE ); $form['autoconv']['video_ffmpeg_enable_faststart'] = array( '#type' => 'checkbox', '#title' => t('Process mov/mp4 videos with qt-faststart'), '#default_value' => $this->enablefaststart, ); $form['autoconv']['video_ffmpeg_faststart_cmd'] = array( '#type' => 'textfield', '#title' => t('Path to qt-faststart'), '#default_value' => $this->faststartcmd, ); $form['autoconv']['video_ffmpeg_pad_method'] = array( '#type' => 'radios', '#title' => t('FFmpeg Padding method'), '#default_value' => variable_get('video_ffmpeg_pad_method', 0), '#options' => array( 0 => t('Use -padtop, -padbottom, -padleft, -padright for padding'), 1 => t('Use -vf "pad:w:h:x:y:c" for padding'), ), ); $form['video_ffmpeg_end'] = array( '#type' => 'markup', '#value' => '
', ); return $form; } /** * Interface Implementations * @see sites/all/modules/video/includes/transcoder_interface#admin_settings_validate() */ public function admin_settings_validate($form, &$form_state) { return; } public function create_job($video) { if (empty($video['dimensions'])) { watchdog('video_ffmpeg', 'Tried to create ffmpeg job for video %video with empty dimensions value.', array('%video' => $video['fid']), WATCHDOG_ERROR); return FALSE; } return db_query("INSERT INTO {video_files} (fid, status, dimensions) VALUES (%d, %d, '%s')", $video['fid'], VIDEO_RENDERING_PENDING, $video['dimensions']); } public function update_job($video) { if (!$this->load_job($video['fid'])) return; //lets update our table to include the nid db_query("UPDATE {video_files} SET nid=%d WHERE fid=%d", $video['nid'], $video['fid']); } public function delete_job($video) { if (!$this->load_job($video->fid)) return; //lets get all our videos and unlink them $sql = db_query("SELECT data FROM {video_files} WHERE fid=%d", $video->fid); //we loop here as future development will include multiple video types (HTML 5) while ($row = db_fetch_object($sql)) { $data = unserialize($row->data); if (empty($data)) continue; foreach ($data as $file) { if (file_exists($file->filepath)) unlink($file->filepath); } } //now delete our rows. db_query('DELETE FROM {video_files} WHERE fid = %d', $video->fid); } public function load_job($fid) { $job = null; $result = db_query('SELECT f.*, vf.vid, vf.nid, vf.dimensions, vf.status as video_status FROM {video_files} vf LEFT JOIN {files} f ON vf.fid = f.fid WHERE f.fid=vf.fid AND f.fid = %d', $fid); $job = db_fetch_object($result); if (!empty($job)) return $job; else return FALSE; } public function load_job_queue() { $total_videos = variable_get('video_ffmpeg_instances', 5); $videos = array(); $result = db_query_range('SELECT f.*, vf.vid, vf.nid, vf.dimensions, vf.status as video_status FROM {video_files} vf LEFT JOIN {files} f ON vf.fid = f.fid WHERE vf.status = %d AND f.status = %d ORDER BY f.timestamp', VIDEO_RENDERING_PENDING, FILE_STATUS_PERMANENT, 0, $total_videos); while ($row = db_fetch_object($result)) { $videos[] = $row; } return $videos; } /** * @todo : replace with the load job method * @param $video * @return */ public function load_completed_job(&$video) { $result = db_fetch_object(db_query('SELECT * FROM {video_files} WHERE fid = %d', $video->fid)); $data = unserialize($result->data); if (empty($data)) return $video; foreach ($data as $value) { $extension = pathinfo($value->filepath, PATHINFO_EXTENSION); $video->files->{$extension}->filename = pathinfo($value->filepath, PATHINFO_FILENAME) . '.' . $extension; $video->files->{$extension}->filepath = $value->filepath; $video->files->{$extension}->url = file_create_url($value->filepath); $video->files->{$extension}->extension = $extension; $video->files->{$extension}->filemime = file_get_mimetype($value->filepath); $video->player = strtolower($extension); } return $video; } /** * Change the status of the file. * * @param (int) $vid * @param (int) $status */ public function change_status($vid, $status) { $result = db_query('UPDATE {video_files} SET status = %d WHERE vid = %d ', $status, $vid); } /* * Function determines the dimensions you want and compares with the actual wxh of the video. * * If they are not exact or the aspect ratio does not match, we then figure out how much padding * we should add. We will either add a black bar on the top/bottom or on the left/right. * * @TODO I need to look more at this function. I don't really like the guess work here. Need to implement * a better way to check the end WxH. Maybe compare the final resolution to our defaults? I don't think * that just checking to make sure the final number is even is accurate enough. */ public function dimensions($video) { //lets setup our dimensions. Make sure our aspect ratio matches the dimensions to be used, if not lets add black bars. $aspect_ratio = _video_aspect_ratio($video->filepath); $ratio = $aspect_ratio['ratio']; $width = $aspect_ratio ['width']; $height = $aspect_ratio['height']; $wxh = explode('x', $video->dimensions); $output_width = $wxh[0]; $output_height = $wxh[1]; $output_ratio = number_format($output_width / $output_height, 4); if ($output_ratio != $ratio && $width && $height) { // TODO this probably doesn't work $options = array(); // Figure out our black bar padding. if ($ratio < $output_width / $output_height) { $end_width = $output_height * $ratio; $end_height = $output_height; } else { $end_height = $output_width / $ratio; $end_width = $output_width; } // We need to get back to an even resolution and maybe compare with our defaults? // @TODO Make this more exact on actual video dimensions instead of making sure the wxh are even numbers if ($end_width == $output_width) { // We need to pad the top/bottom of the video $padding = round($output_height - $end_height); $pad1 = $pad2 = floor($padding / 2); if ($pad1 % 2 !== 0) { $pad1++; $pad2--; } if (variable_get('video_ffmpeg_pad_method', 0)) { $options[] = '-vf "pad=' . round($output_width) . ':' . round($output_height) . ':0:' . $pad1 . '"'; } else { $options[] = '-padtop ' . $pad1; $options[] = '-padbottom ' . $pad2; } } else { // We are padding the left/right of the video. $padding = round($output_width - $end_width); $pad1 = $pad2 = floor($padding / 2); //@todo does padding need to be an even number? if ($pad1 % 2 !== 0) { $pad1++; $pad2--; } if (variable_get('video_ffmpeg_pad_method', 0)) { $options[] = '-vf "pad=' . round($output_width) . ':' . round($output_height) . ':' . $pad1 . ':0"'; } else { $options[] = '-padleft ' . $pad1; $options[] = '-padright ' . $pad2; } } $end_width = round($end_width) % 2 !== 0 ? round($end_width) + 1 : round($end_width); $end_height = round($end_height) % 2 !== 0 ? round($end_height) + 1 : round($end_height); //add our size to the beginning to make sure it hits our -s array_unshift($options, $end_width . 'x' . $end_height); return implode(' ', $options); } else { return $video->dimensions; } } }