protected function _process($video)
{
// Make sure FFMPEG path is set
$ffmpeg_path = Engine_Api::_()->getApi('settings', 'core')->video_ffmpeg_path;
if (!$ffmpeg_path) {
throw new Video_Model_Exception('Ffmpeg not configured');
}
// Make sure FFMPEG can be run
if (!@file_exists($ffmpeg_path) || !@is_executable($ffmpeg_path)) {
$output = null;
$return = null;
exec($ffmpeg_path . ' -version', $output, $return);
if ($return > 0) {
throw new Video_Model_Exception('Ffmpeg found, but is not executable');
}
}
// Check we can execute
if (!function_exists('shell_exec')) {
throw new Video_Model_Exception('Unable to execute shell commands using shell_exec(); the function is disabled.');
}
// Check the video temporary directory
$tmpDir = APPLICATION_PATH . DIRECTORY_SEPARATOR . 'temporary' . DIRECTORY_SEPARATOR . 'video';
if (!is_dir($tmpDir)) {
if (!mkdir($tmpDir, 0777, true)) {
throw new Video_Model_Exception('Video temporary directory did not exist and could not be created.');
}
}
if (!is_writable($tmpDir)) {
throw new Video_Model_Exception('Video temporary directory is not writable.');
}
// Get the video object
if (is_numeric($video)) {
$video = Engine_Api::_()->getItem('video', $video_id);
}
if (!$video instanceof Video_Model_Video) {
throw new Video_Model_Exception('Argument was not a valid video');
}
// Update to encoding status
$video->status = 2;
$video->save();
// Prepare information
$owner = $video->getOwner();
$filetype = $video->code;
$originalPath = $tmpDir . DIRECTORY_SEPARATOR . $video->getIdentity() . '.' . $filetype;
$outputPath = $tmpDir . DIRECTORY_SEPARATOR . $video->getIdentity() . '_vconverted.flv';
$thumbPath = $tmpDir . DIRECTORY_SEPARATOR . $video->getIdentity() . '_vthumb.jpg';
$videoCommand = $ffmpeg_path . ' ' . '-i ' . escapeshellarg($originalPath) . ' ' . '-ab 64k' . ' ' . '-ar 44100' . ' ' . '-qscale 5' . ' ' . '-vcodec flv' . ' ' . '-f flv' . ' ' . '-r 25' . ' ' . '-s 480x386' . ' ' . '-v 2' . ' ' . '-y ' . escapeshellarg($outputPath) . ' ' . '2>&1';
$thumbCommand = $ffmpeg_path . ' ' . '-i ' . escapeshellarg($outputPath) . ' ' . '-f image2' . ' ' . '-ss 4.00' . ' ' . '-v 2' . ' ' . '-y ' . escapeshellarg($thumbPath) . ' ' . '2>&1';
// Prepare output header
$output = PHP_EOL;
$output .= $originalPath . PHP_EOL;
$output .= $outputPath . PHP_EOL;
$output .= $thumbPath . PHP_EOL;
// Prepare logger
$log = null;
//if( APPLICATION_ENV == 'development' ) {
$log = new Zend_Log();
$log->addWriter(new Zend_Log_Writer_Stream(APPLICATION_PATH . '/temporary/log/video.log'));
//}
// Execute video encode command
$videoOutput = $output . $videoCommand . PHP_EOL . shell_exec($videoCommand);
// Log
if ($log) {
$log->log($videoOutput, Zend_Log::INFO);
}
// Check for failure
$success = true;
// Unsupported format
if (preg_match('/Unknown format/i', $videoOutput) || preg_match('/Unsupported codec/i', $videoOutput) || preg_match('/patch welcome/i', $videoOutput) || !is_file($outputPath) || filesize($outputPath) <= 0) {
$success = false;
$video->status = 3;
} else {
if (preg_match('/video:0kB/i', $videoOutput)) {
$success = false;
$video->status = 5;
}
}
// Failure
if (!$success) {
$db = $video->getTable()->getAdapter();
$db->beginTransaction();
try {
$video->save();
// notify the owner
$translate = Zend_Registry::get('Zend_Translate');
$language = !empty($owner->language) && $owner->language != 'auto' ? $owner->language : null;
$notificationMessage = '';
if ($video->status == 3) {
$notificationMessage = $translate->translate(sprintf('Video conversion failed. Video format is not supported by FFMPEG. Please try %1$sagain%2$s.', '', ''), $language);
} else {
if ($video->status == 5) {
$notificationMessage = $translate->translate(sprintf('Video conversion failed. Audio files are not supported. Please try %1$sagain%2$s.', '', ''), $language);
}
}
Engine_Api::_()->getDbtable('notifications', 'activity')->addNotification($owner, $owner, $video, 'video_processed_failed', array('message' => $notificationMessage, 'message_link' => Zend_Controller_Front::getInstance()->getRouter()->assemble(array('action' => 'manage'), 'video_general', true)));
$db->commit();
} catch (Exception $e) {
$videoOutput .= PHP_EOL . $e->__toString() . PHP_EOL;
if ($log) {
$log->write($e->__toString(), Zend_Log::ERR);
}
$db->rollBack();
}
// Write to additional log in dev
if (APPLICATION_ENV == 'development') {
file_put_contents($tmpDir . '/' . $video->video_id . '.txt', $videoOutput);
}
} else {
// Get duration of the video to caculate where to get the thumbnail
if (preg_match('/Duration:\\s+(.*?)[.]/i', $videoOutput, $matches)) {
list($hours, $minutes, $seconds) = preg_split('[:]', $matches[1]);
$duration = ceil($seconds + $minutes * 60 + $hours * 3600);
} else {
$duration = 0;
// Hmm
}
// Log duration
if ($log) {
$log->log('Duration: ' . $duration, Zend_Log::INFO);
}
// Process thumbnail
$thumbOutput = $output . $thumbCommand . PHP_EOL . shell_exec($thumbCommand);
// Log thumb output
if ($log) {
$log->log($thumbOutput, Zend_Log::INFO);
}
// Resize thumbnail
$image = Engine_Image::factory();
$image->open($thumbPath)->resize(120, 240)->write($thumbPath)->destroy();
// Save video and thumbnail to storage system
$params = array('parent_id' => $video->getIdentity(), 'parent_type' => $video->getType(), 'user_id' => $video->owner_id);
$db = $video->getTable()->getAdapter();
$db->beginTransaction();
try {
$videoFileRow = Engine_Api::_()->storage()->create($outputPath, $params);
$thumbFileRow = Engine_Api::_()->storage()->create($thumbPath, $params);
$db->commit();
} catch (Exception $e) {
$db->rollBack();
// delete the files from temp dir
unlink($originalPath);
unlink($outputPath);
unlink($thumbPath);
$video->status = 7;
$video->save();
// notify the owner
$translate = Zend_Registry::get('Zend_Translate');
$notificationMessage = '';
$language = !empty($owner->language) && $owner->language != 'auto' ? $owner->language : null;
if ($video->status == 7) {
$notificationMessage = $translate->translate(sprintf('Video conversion failed. You may be over the site upload limit. Try %1$suploading%2$s a smaller file, or delete some files to free up space.', '', ''), $language);
}
Engine_Api::_()->getDbtable('notifications', 'activity')->addNotification($owner, $owner, $video, 'video_processed_failed', array('message' => $notificationMessage, 'message_link' => Zend_Controller_Front::getInstance()->getRouter()->assemble(array('action' => 'manage'), 'video_general', true)));
throw $e;
// throw
}
// Video processing was a success!
// Save the information
$video->file_id = $videoFileRow->file_id;
$video->photo_id = $thumbFileRow->file_id;
$video->duration = $duration;
$video->status = 1;
$video->save();
// delete the files from temp dir
unlink($originalPath);
unlink($outputPath);
unlink($thumbPath);
// insert action in a seperate transaction if video status is a success
$actionsTable = Engine_Api::_()->getDbtable('actions', 'activity');
$db = $actionsTable->getAdapter();
$db->beginTransaction();
try {
// new action
$action = $actionsTable->addActivity($owner, $video, 'video_new');
if ($action) {
$actionsTable->attachActivity($action, $video);
}
// notify the owner
Engine_Api::_()->getDbtable('notifications', 'activity')->addNotification($owner, $owner, $video, 'video_processed');
$db->commit();
} catch (Exception $e) {
$db->rollBack();
throw $e;
// throw
}
}
}
protected function _process($video, $type, $compatibilityMode = false)
{
$tmpDir = $this->getTmpDir();
$video = $this->getVideo($video);
// Update to encoding status
$video->status = 2;
$video->type = 3;
$video->save();
// Prepare information
$owner = $video->getOwner();
// Pull video from storage system for encoding
$storageObject = $this->getStorageObject($video);
$originalPath = $this->getOriginalPath($storageObject);
$outputPath = $tmpDir . DIRECTORY_SEPARATOR . $video->getIdentity() . '_vconverted.' . $type;
$thumbPath = $tmpDir . DIRECTORY_SEPARATOR . $video->getIdentity() . '_vthumb.jpg';
$width = 480;
$height = 386;
$videoCommand = $this->buildVideoCmd($video, $width, $height, $type, $originalPath, $outputPath, $compatibilityMode);
// Prepare output header
$output = PHP_EOL;
$output .= $originalPath . PHP_EOL;
$output .= $outputPath . PHP_EOL;
$output .= $thumbPath . PHP_EOL;
// Prepare logger
$log = new Zend_Log();
$log->addWriter(new Zend_Log_Writer_Stream(APPLICATION_PATH . '/temporary/log/video.log'));
// Execute video encode command
$videoOutput = $output . $videoCommand . PHP_EOL . shell_exec($videoCommand);
// Log
if ($log) {
$log->log($videoOutput, Zend_Log::INFO);
}
// Check for failure
$success = $this->conversionSucceeded($video, $videoOutput, $outputPath);
// Failure
if (!$success) {
if (!$compatibilityMode) {
$this->_process($video, true);
return;
}
$exceptionMessage = '';
$db = $video->getTable()->getAdapter();
$db->beginTransaction();
try {
$video->save();
$exceptionMessage = $this->notifyOwner($video, $owner);
$db->commit();
} catch (Exception $e) {
$videoOutput .= PHP_EOL . $e->__toString() . PHP_EOL;
if ($log) {
$log->write($e->__toString(), Zend_Log::ERR);
}
$db->rollBack();
}
// Write to additional log in dev
if (APPLICATION_ENV == 'development') {
file_put_contents($tmpDir . '/' . $video->video_id . '.txt', $videoOutput);
}
throw new Video_Model_Exception($exceptionMessage);
} else {
// Get duration of the video to caculate where to get the thumbnail
$duration = $this->getDuration($videoOutput);
// Log duration
if ($log) {
$log->log('Duration: ' . $duration, Zend_Log::INFO);
}
// Fetch where to take the thumbnail
$thumb_splice = $duration / 2;
$thumbSuccess = $this->generateThumbnail($outputPath, $output, $thumb_splice, $thumbPath, $log);
// Save video and thumbnail to storage system
$params = array('parent_id' => $video->getIdentity(), 'parent_type' => $video->getType(), 'user_id' => $video->owner_id);
$db = $video->getTable()->getAdapter();
$db->beginTransaction();
try {
$storageObject->setFromArray($params);
$storageObject->store($outputPath);
if ($thumbSuccess) {
$thumbFileRow = Engine_Api::_()->storage()->create($thumbPath, $params);
}
$db->commit();
} catch (Exception $e) {
$db->rollBack();
// delete the files from temp dir
unlink($originalPath);
unlink($outputPath);
if ($thumbSuccess) {
unlink($thumbPath);
}
$video->status = 7;
$video->save();
$this->notifyOwner($video, $owner);
throw $e;
// throw
}
// Video processing was a success!
// Save the information
if ($thumbSuccess) {
$video->photo_id = $thumbFileRow->file_id;
}
$video->duration = $duration;
$video->status = 1;
$video->save();
// delete the files from temp dir
unlink($originalPath);
unlink($outputPath);
unlink($thumbPath);
// insert action in a separate transaction if video status is a success
$actionsTable = Engine_Api::_()->getDbtable('actions', 'activity');
$db = $actionsTable->getAdapter();
$db->beginTransaction();
try {
// new action
$action = $actionsTable->addActivity($owner, $video, 'video_new');
if ($action) {
$actionsTable->attachActivity($action, $video);
}
// notify the owner
Engine_Api::_()->getDbtable('notifications', 'activity')->addNotification($owner, $owner, $video, 'video_processed');
$db->commit();
} catch (Exception $e) {
$db->rollBack();
throw $e;
// throw
}
}
}
