diff options
Diffstat (limited to 'transcoders/video_phpvideotoolkit.inc')
| -rw-r--r-- | transcoders/video_phpvideotoolkit.inc | 627 |
1 files changed, 627 insertions, 0 deletions
diff --git a/transcoders/video_phpvideotoolkit.inc b/transcoders/video_phpvideotoolkit.inc new file mode 100644 index 0000000..e97e100 --- /dev/null +++ b/transcoders/video_phpvideotoolkit.inc @@ -0,0 +1,627 @@ +<?php + +/* + * @file + * Transcoder class file to handle ffmpeg settings and conversions. + * + */ + +class video_phpvideotoolkit implements transcoder_interface { + + // Naming for our radio options. Makes it easy to extend our transcoders. + private $name = 'PHP Video Toolkit (FFMPEG)'; + private $value = 'video_phpvideotoolkit'; + protected $params = array(); + protected $audio_bitrate = 64; + protected $video_bitrate = 200; + protected $video_width = 640; + protected $video_height = 480; + protected $ffmpeg = '/usr/bin/ffmpeg'; + protected $nice; + protected $video_ext = 'flv'; + + protected $toolkit; + + 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['cmd_path'] = variable_get('video_transcoder_path', $this->ffmpeg); + $this->nice = variable_get('video_ffmpeg_nice_enable', false) ? 'nice -n 19 ' : ''; + $this->params['videoext'] = variable_get('video_ffmpeg_ext', $this->video_ext); + $this->params['enable_faststart'] = variable_get('video_ffmpeg_enable_faststart', 0); + $this->params['faststart_cmd'] = variable_get('video_ffmpeg_faststart_cmd', '/usr/bin/qt-faststart'); + + $use_version = 'php5'; + // check if php5 is ok + if($use_version == 'php5' && version_compare(PHP_VERSION, '5.0.0', '<')) + { + $use_version = 'php4'; + } + + module_load_include('php','video','libraries/phpvideotoolkit/phpvideotoolkit.'.$use_version); + + $this->toolkit = new PHPVideoToolkit($this->params['cmd_path'], file_directory_temp().'/'); + } + + // Returns an array of available encoding & decoding codecs + public function get_codecs() { + $info = $this->toolkit->getFFmpegInfo(false); + + $available_codecs = $info['codecs']; + + $codecs = array('decode' => array(), 'encode' => array()); + + foreach($available_codecs as $key => $value) { + $codecs['encode'][$key] = array(); + $codecs['decode'][$key] = array(); + + foreach($value as $codec_key => $codec) { + if ($codec['encode']) { + $codecs['encode'][$key][$codec_key] = $codec['fullname']; + } + if ($codec['decode']) { + $codecs['decode'][$key][$codec_key] = $codec['fullname']; + } + } + } + + return $codecs; + } + + public function generate_thumbnails($video) { + global $user; + // Setup our thmbnail path. + $video_thumb_path = variable_get('video_thumb_path', 'videos/thumbnails'); + // Get the file system directory. + $schema_thumb_path = file_default_scheme() . '://' . $video_thumb_path . '/' . $video['fid']; + file_prepare_directory($schema_thumb_path, FILE_CREATE_DIRECTORY); + // Total thumbs to generate + $total_thumbs = variable_get('video_thumbs', 5); + $videofile = file_load($video['fid']); + //get the actual video file path from the stream wrappers + $videopath = drupal_realpath($videofile->uri); + //get the playtime from the current transcoder + $duration = $this->get_playtime($videopath); + + $files = NULL; + for ($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 = file_munge_filename("video-thumb-for-" . $video['fid'] . "-$i.jpg", '', TRUE); + $thumbfile = $schema_thumb_path . '/' . $filename; + //skip files already exists, this will save ffmpeg traffic + if (!is_file(drupal_realpath($thumbfile))) { + $result = $this->toolkit->setInputFile($videopath); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $this->toolkit->extractFrame($seek); + + $result = $this->toolkit->setOutput(drupal_realpath($schema_thumb_path).'/', $filename, PHPVideoToolkit::OVERWRITE_EXISTING); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $result = $this->toolkit->execute(false, true); + if($result !== PHPVideoToolkit::RESULT_OK) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + if (!file_exists(drupal_realpath($thumbfile))) { + $error_param = array('%file' => $thumbfile); + $error_msg = t("Error generating thumbnail for video: generated file %file does not exist.", $error_param); + // Log the error message. + watchdog('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 = 0; + $file->filename = trim($filename); + $file->uri = $thumbfile; + $file->filemime = file_get_mimetype($filename); + $file->filesize = filesize(drupal_realpath($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 paths so tokens will compatible with this + // @todo : add best method to get existing file path and add converted there + $target = str_replace('original', '', drupal_dirname($video->uri)); + $converted_base_dir = $target . 'converted/' . $video->fid; + if (!file_prepare_directory($converted_base_dir, FILE_CREATE_DIRECTORY)) { + watchdog('transcoder', 'Video conversion failed. Could not create the directory: ' . $converted_base_dir, array(), WATCHDOG_ERROR); + return FALSE; + } + //get the actual video file path from the stream wrappers + $original_video_path = drupal_realpath($video->uri); + // process presets + $presets = $video->presets; + $converted_files = array(); + foreach ($presets as $name => $preset) { + $settings = $preset['settings']; + // override with preset settings + if (isset($settings['width']) && !empty($settings['width']) && isset($settings['height']) && !empty($settings['height']) + && variable_get('video_use_preset_wxh', FALSE)) { + $video->dimensions = $settings['width'] . 'x' . $settings['height']; + } + $converted_filename = file_munge_filename(str_replace(' ', '_', pathinfo($original_video_path, PATHINFO_FILENAME)) . '.' . $settings['video_extension'], $settings['video_extension']); + $converted = $converted_base_dir . '/' . $converted_filename; + //get the actual video file path from the stream wrappers + $converted_video_path = drupal_realpath($converted); + $dimensions = $this->dimensions($video); + $dimension = explode('x', $dimensions); + + $video_info = $this->get_video_info($original_video_path); + + if ($this->params['enable_faststart'] && in_array($settings['video_extension'], array('mov', 'mp4'))) { + $ffmpeg_output = file_directory_temp() . '/' . basename($converted_video_path); + } else { + $ffmpeg_output = $converted_video_path; + } + + $result = $this->toolkit->setInputFile($original_video_path); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + if (!empty($settings['max_frame_rate'])) { + $result = $this->toolkit->setVideoFrameRate($settings['max_frame_rate']); + if(!$result) + { + // if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + } + + $result = $this->toolkit->setVideoCodec($settings['video_codec'],false); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $settings['audio_sample_rate'] = (!empty($settings['audio_sample_rate'])) ? $settings['audio_sample_rate'] : $video_info['audio']['sample_rate']; + + if ($settings['audio_sample_rate'] < 1000) { + $settings['audio_sample_rate'] *= 1000; + } + + $settings['audio_sample_rate'] = min($settings['audio_sample_rate'],44100); + + $result = $this->toolkit->setAudioSampleFrequency($settings['audio_sample_rate']); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $result = $this->toolkit->setAudioCodec($settings['audio_codec'],false); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $result = $this->toolkit->setAudioChannels($settings['audio_channels']); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + if (empty($settings['audio_bitrate'])) { + $settings['audio_bitrate'] = $this->audio_bitrate; + } + + if ($settings['audio_bitrate'] < 1000) { + $settings['audio_bitrate'] *= 1000; + } + + $result = $this->toolkit->setAudioBitRate($settings['audio_bitrate']); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + if (empty($settings['video_bitrate'])) { + $settings['video_bitrate'] = $this->video_bitrate; + } + + if ($settings['video_bitrate'] < 1000) { + $settings['video_bitrate'] *= 1000; + } + + $result = $this->toolkit->setVideoBitRate($settings['video_bitrate']); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $result = $this->toolkit->setVideoDimensions($dimension[0],$dimension[1]); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $result = $this->toolkit->setOutput(dirname($ffmpeg_output).'/',$converted_filename, PHPVideoToolkit::OVERWRITE_EXISTING); + if(!$result) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $result = $this->toolkit->execute(false, true); + if($result !== PHPVideoToolkit::RESULT_OK) + { +// if there was an error then get it + $error_msg = t($this->toolkit->getLastError()); + watchdog('transcoder', $error_msg, array(), WATCHDOG_ERROR); + $this->toolkit->reset(); + continue; + } + + $command_output = $this->toolkit->getLastOutput(); +/* + if ($ffmpeg_output != $converted_video_path && file_exists($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. + $cmd_path = $this->params['cmd_path']; + $this->params['cmd_path'] = $this->params['faststart_cmd']; + $command_output .= $this->run_command($ffmpeg_output . ' ' . $converted_video_path, $verbose); + $this->params['cmd_path'] = $cmd_path; + + // Delete the temporary output file. + drupal_unlink($ffmpeg_output); + } +*/ + //lets check to make sure our file exists, if not error out + if (!file_exists($converted_video_path) || !filesize($converted_video_path)) { + watchdog('transcoder', 'Video conversion failed for preset %preset. FFMPEG reported the following output: ' . $command_output, array('%orig' => $video->uri, '%preset' => $name), WATCHDOG_ERROR); + $this->change_status($video->vid, VIDEO_RENDERING_FAILED); + return FALSE; + } + // Setup our converted video object + $video_info = pathinfo($converted_video_path); + //update our converted video + $video->converted = new stdClass(); + $video->converted->vid = $video->vid; + $video->converted->filename = $video_info['basename']; + $video->converted->uri = $converted; + $video->converted->filemime = file_get_mimetype($converted); + $video->converted->filesize = filesize($converted); + $video->converted->status = VIDEO_RENDERING_COMPLETE; + $video->converted->preset = $name; + $video->converted->completed = time(); + $converted_files[] = $video->converted; + } + + // Update our video_files table with the converted video information. + db_update('video_files') + ->fields(array( + 'status' => VIDEO_RENDERING_COMPLETE, + 'completed' => time(), + 'data' => serialize($converted_files))) + ->condition('vid', $video->converted->vid, '=') + ->execute(); + watchdog('transcoder', 'Successfully converted %orig to %dest', array('%orig' => $video->uri, '%dest' => $video->converted->uri), WATCHDOG_INFO); + return TRUE; + } + + /** + * Get some information from the video file + */ + public function get_video_info($video) { + $video_info = $this->toolkit->getFileInfo($video); + return $video_info; + } + + /** + * Return the playtime seconds of a video + */ + public function get_playtime($video) { + $video_info = $this->get_video_info($video); + + return $video_info['duration']['seconds']; + } + + /* + * Return the dimensions of a video + */ + + public function get_dimensions($video) { + $video_info = $this->get_video_info($video); + $res = array('width' => 0, 'height' => 0); + // Get dimensions + $res['width'] = $video_info['video']['dimensions']['width'] ? $video_info['video']['dimensions']['width'] : NULL; + $res['height'] = $video_info['video']['dimensions']['height'] ? $video_info['video']['dimensions']['height'] : 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(); + return $form; + } + + /** + * Interface Implementations + * @see sites/all/modules/video/includes/transcoder_interface#admin_settings_validate() + */ + public function admin_settings_validate($form, &$form_state) { + return; + } + + /** + * Interface Implementations + * @see sites/all/modules/video/includes/transcoder_interface#create_job() + */ + public function create_job($video, $nid) { + return db_insert('video_files') + ->fields(array( + 'fid' => $video['fid'], + 'nid' => $nid, + 'status' => VIDEO_RENDERING_PENDING, + 'dimensions' => $video['dimensions'], + )) + ->execute(); + } + + /** + * Interface Implementations + * @see sites/all/modules/video/includes/transcoder_interface#delete_job() + */ + public function delete_job($video) { + $video = (object) $video; + if (!$video = $this->load_job($video->fid)) + return; + // converted output values + $converted = unserialize($video->data); + if (!empty($converted)) { + foreach ($converted as $file) { + if (file_exists(drupal_realpath($file->uri))) + @drupal_unlink($file->uri); + } + } + //now delete our rows. + db_delete('video_files') + ->condition('fid', $video->fid) + ->execute(); + } + + /** + * Interface Implementations + * @see sites/all/modules/video/includes/transcoder_interface#load_job() + */ + public function load_job($fid) { + $job = null; + $job = db_query("SELECT f.*, vf.vid, vf.nid, vf.dimensions, vf.data, vf.status as video_status + FROM {video_files} vf LEFT JOIN {file_managed} f ON vf.fid = f.fid WHERE f.fid=vf.fid AND f.fid = :fid", + array(':fid' => $fid)) + ->fetch(); + if (!empty($job)) + return $job; + else + return FALSE; + } + + /** + * Interface Implementations + * @see sites/all/modules/video/includes/transcoder_interface#load_job_queue() + */ + 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 {file_managed} f ON vf.fid = f.fid + WHERE vf.status = :vstatus AND f.status = :fstatus ORDER BY f.timestamp', + 0, $total_videos, array(':vstatus' => VIDEO_RENDERING_PENDING, ':fstatus' => FILE_STATUS_PERMANENT)); + foreach ($result as $row) { + $videos[] = $row; + } + return $videos; + } + + /** + * Interface Implementations + * @see sites/all/modules/video/includes/transcoder_interface#load_completed_job() + */ + public function load_completed_job(&$video) { + $file = $this->load_job($video->fid); + $data = unserialize($file->data); + if (!empty($data)) + foreach ($data as $value) { + $extension = pathinfo(drupal_realpath($value->uri), PATHINFO_EXTENSION); + $video->files->{$extension}->filename = $value->filename; + $video->files->{$extension}->filepath = $value->uri; + $video->files->{$extension}->filemime = file_get_mimetype($value->uri); + $video->files->{$extension}->url = file_create_url($value->uri); + $video->files->{$extension}->extension = $extension; + $video->player = strtolower($extension); + } + else + return FALSE; + } + + /** + * Change the status of the file. + * + * @param (int) $vid + * @param (int) $status + */ + public function change_status($vid, $status) { + db_update('video_files')->fields(array( + 'status' => $status,)) + ->condition('vid', $vid, '=') + ->execute(); + } + + /* + * Function determines the dimensions you want and compares with the actual wxh of the video. + * + * If they are not exact or the aspect ratio does not match, we then figure out how much padding + * we should add. We will either add a black bar on the top/bottom or on the left/right. + * + * @TODO I need to look more at this function. I don't really like the guess work here. Need to implement + * a better way to check the end WxH. Maybe compare the final resolution to our defaults? I don't think + * that just checking to make sure the final number is even is accurate enough. + */ + + public function dimensions($video) { + //lets setup our dimensions. Make sure our aspect ratio matches the dimensions to be used, if not lets add black bars. + $aspect_ratio = _video_aspect_ratio(drupal_realpath($video->uri)); + $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) { + $options = array(); + // Figure out our black bar padding. + if ($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; + } + } + +} + +?> |