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<?php |
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declare(strict_types=1); |
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namespace Soluble\MediaTools\Video; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\LogLevel; |
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use Psr\Log\NullLogger; |
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use Soluble\MediaTools\Common\Assert\PathAssertionsTrait; |
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use Soluble\MediaTools\Common\Exception\FileNotFoundException; |
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use Soluble\MediaTools\Common\Exception\FileNotReadableException; |
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use Soluble\MediaTools\Common\Exception\UnsupportedParamException; |
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use Soluble\MediaTools\Common\Exception\UnsupportedParamValueException; |
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use Soluble\MediaTools\Common\Process\ProcessFactory; |
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use Soluble\MediaTools\Common\Process\ProcessParamsInterface; |
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use Soluble\MediaTools\Video\Config\FFMpegConfigInterface; |
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use Soluble\MediaTools\Video\Exception\ConverterExceptionInterface; |
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use Soluble\MediaTools\Video\Exception\ConverterProcessExceptionInterface; |
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use Soluble\MediaTools\Video\Exception\InvalidParamException; |
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use Soluble\MediaTools\Video\Exception\MissingInputFileException; |
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use Soluble\MediaTools\Video\Exception\MissingTimeException; |
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use Soluble\MediaTools\Video\Exception\NoOutputGeneratedException; |
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use Soluble\MediaTools\Video\Exception\ProcessFailedException; |
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use Soluble\MediaTools\Video\Exception\ProcessSignaledException; |
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use Soluble\MediaTools\Video\Exception\ProcessTimedOutException; |
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use Soluble\MediaTools\Video\Exception\RuntimeReaderException; |
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use Soluble\MediaTools\Video\Filter\SelectFilter; |
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use Soluble\MediaTools\Video\Filter\VideoFilterChain; |
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use Symfony\Component\Process\Exception as SPException; |
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use Symfony\Component\Process\Process; |
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class VideoThumbGenerator implements VideoThumbGeneratorInterface |
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{ |
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public const DEFAULT_QUALITY_SCALE = 2; |
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use PathAssertionsTrait; |
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/** @var FFMpegConfigInterface */ |
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protected $ffmpegConfig; |
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/** @var int */ |
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protected $defaultQualityScale; |
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/** @var LoggerInterface|NullLogger */ |
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protected $logger; |
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public function __construct(FFMpegConfigInterface $ffmpegConfig, ?LoggerInterface $logger = null, int $defaultQualityScale = self::DEFAULT_QUALITY_SCALE) |
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{ |
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$this->ffmpegConfig = $ffmpegConfig; |
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$this->defaultQualityScale = $defaultQualityScale; |
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$this->logger = $logger ?? new NullLogger(); |
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} |
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/** |
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* Return ready-to-run symfony process object that you can use |
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* to `run()` or `start()` programmatically. Useful if you want |
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* handle the process your way... |
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* |
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* @see https://symfony.com/doc/current/components/process.html |
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* |
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* @throws UnsupportedParamException |
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* @throws UnsupportedParamValueException |
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* @throws MissingTimeException |
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*/ |
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public function getSymfonyProcess(string $videoFile, string $thumbnailFile, VideoThumbParamsInterface $thumbParams, ?ProcessParamsInterface $processParams = null): Process |
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{ |
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$adapter = $this->ffmpegConfig->getAdapter(); |
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$conversionParams = (new VideoConvertParams()); |
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if (!$thumbParams->hasParam(VideoThumbParamsInterface::PARAM_SEEK_TIME) |
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&& !$thumbParams->hasParam(VideoThumbParamsInterface::PARAM_WITH_FRAME)) { |
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throw new MissingTimeException('Missing seekTime/time or frame selection parameter'); |
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} |
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if ($thumbParams->hasParam(VideoThumbParamsInterface::PARAM_SEEK_TIME)) { |
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// TIME params are separated from the rest, so we can inject them |
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// before input file |
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$timeParams = (new VideoConvertParams())->withSeekStart( |
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$thumbParams->getParam(VideoThumbParamsInterface::PARAM_SEEK_TIME) |
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); |
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} else { |
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$timeParams = null; |
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} |
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if ($adapter->getDefaultThreads() !== null) { |
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$conversionParams = $conversionParams->withThreads($adapter->getDefaultThreads()); |
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} |
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// Only one frame for thumbnails :) |
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$conversionParams = $conversionParams->withVideoFrames(1); |
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$videoFilters = $this->getThumbFilters($thumbParams); |
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if (count($videoFilters->getFilters()) > 0) { |
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$conversionParams = $conversionParams->withVideoFilter($videoFilters); |
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} |
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if ($thumbParams->hasParam(VideoThumbParamsInterface::PARAM_QUALITY_SCALE)) { |
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$conversionParams = $conversionParams->withVideoQualityScale( |
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$thumbParams->getParam(VideoThumbParamsInterface::PARAM_QUALITY_SCALE) |
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); |
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} else { |
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$conversionParams = $conversionParams->withVideoQualityScale( |
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$this->defaultQualityScale |
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); |
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} |
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$arguments = $adapter->getMappedConversionParams($conversionParams); |
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$ffmpegCmd = $adapter->getCliCommand( |
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$arguments, |
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$videoFile, |
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$thumbnailFile, |
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$timeParams !== null ? $adapter->getMappedConversionParams($timeParams) : [] |
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); |
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$pp = $processParams ?? $this->ffmpegConfig->getProcessParams(); |
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return (new ProcessFactory($ffmpegCmd, $pp))(); |
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} |
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private function getThumbFilters(VideoThumbParamsInterface $thumbParams): VideoFilterChain |
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{ |
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$videoFilters = new VideoFilterChain(); |
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// Let's choose a frame |
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if ($thumbParams->hasParam(VideoThumbParamsInterface::PARAM_WITH_FRAME)) { |
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$frame = $thumbParams->getParam(VideoThumbParamsInterface::PARAM_WITH_FRAME); |
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$expression = sprintf('eq(n\,%d)', max(0, $frame - 1)); |
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$videoFilters->addFilter(new SelectFilter($expression)); |
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} |
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// Let's add the remaning filters |
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if ($thumbParams->hasParam(VideoThumbParamsInterface::PARAM_VIDEO_FILTER)) { |
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$videoFilters->addFilter( |
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$thumbParams->getParam(VideoThumbParamsInterface::PARAM_VIDEO_FILTER) |
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); |
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} |
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return $videoFilters; |
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} |
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/** |
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* @throws ConverterExceptionInterface Base exception class for conversion exceptions |
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* @throws ConverterProcessExceptionInterface Base exception class for process conversion exceptions |
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* @throws MissingInputFileException |
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* @throws MissingTimeException |
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* @throws ProcessTimedOutException |
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* @throws ProcessFailedException |
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* @throws ProcessSignaledException |
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* @throws RuntimeReaderException |
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* @throws InvalidParamException |
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* @throws NoOutputGeneratedException |
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*/ |
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public function makeThumbnail(string $videoFile, string $thumbnailFile, VideoThumbParamsInterface $thumbParams, ?callable $callback = null, ?ProcessParamsInterface $processParams = null): void |
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{ |
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try { |
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try { |
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$this->ensureFileReadable($videoFile); |
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$process = $this->getSymfonyProcess($videoFile, $thumbnailFile, $thumbParams, $processParams); |
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$process->mustRun($callback); |
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} catch (FileNotFoundException | FileNotReadableException $e) { |
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throw new MissingInputFileException($e->getMessage()); |
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} catch (UnsupportedParamValueException | UnsupportedParamException $e) { |
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throw new InvalidParamException($e->getMessage()); |
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} catch (SPException\ProcessTimedOutException $e) { |
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throw new ProcessTimedOutException($e->getProcess(), $e); |
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} catch (SPException\ProcessSignaledException $e) { |
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throw new ProcessSignaledException($e->getProcess(), $e); |
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} catch (SPException\ProcessFailedException $e) { |
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throw new ProcessFailedException($e->getProcess(), $e); |
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} catch (SPException\RuntimeException $e) { |
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throw new RuntimeReaderException($e->getMessage()); |
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} |
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if (!file_exists($thumbnailFile) || filesize($thumbnailFile) === 0) { |
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$stdErr = array_filter(explode("\n", trim($process->getErrorOutput()))); |
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$lastErrorLine = count($stdErr) > 0 ? $stdErr[count($stdErr) - 1] : 'no error message'; |
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throw new NoOutputGeneratedException(sprintf( |
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'Thumbnail was not generated, probably an invalid time/frame selection (ffmpeg: %s)', |
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$lastErrorLine |
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)); |
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} |
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} catch (\Throwable $e) { |
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$exceptionNs = explode('\\', get_class($e)); |
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$this->logger->log( |
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($e instanceof MissingInputFileException) ? LogLevel::WARNING : LogLevel::ERROR, |
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sprintf( |
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'Video thumbnailing failed \'%s\' with \'%s\'. "%s(%s, %s,...)"', |
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$exceptionNs[count($exceptionNs) - 1], |
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__METHOD__, |
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$e->getMessage(), |
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$videoFile, |
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$thumbnailFile |
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) |
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); |
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throw $e; |
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} |
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} |
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} |
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soluble-io /
soluble-mediatools
