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<?php |
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declare(strict_types=1); |
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/** |
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* @see https://github.com/soluble-io/soluble-mediatools for the canonical repository |
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* |
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* @copyright Copyright (c) 2018-2020 Sébastien Vanvelthem. (https://github.com/belgattitude) |
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* @license https://github.com/soluble-io/soluble-mediatools/blob/master/LICENSE.md MIT |
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*/ |
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namespace Soluble\MediaTools\Video\Detection; |
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use Soluble\MediaTools\Common\Assert\PathAssertionsTrait; |
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use Soluble\MediaTools\Common\Exception\FileEmptyException; |
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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\IO\PlatformNullFile; |
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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\AnalyzerExceptionInterface; |
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use Soluble\MediaTools\Video\Exception\AnalyzerProcessExceptionInterface; |
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use Soluble\MediaTools\Video\Exception\MissingInputFileException; |
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use Soluble\MediaTools\Video\Exception\ProcessFailedException; |
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use Soluble\MediaTools\Video\Exception\RuntimeReaderException; |
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use Soluble\MediaTools\Video\Filter\IdetVideoFilter; |
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use Soluble\MediaTools\Video\VideoConvertParams; |
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use Symfony\Component\Process\Exception as SPException; |
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final class InterlaceDetect |
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{ |
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use PathAssertionsTrait; |
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public const DEFAULT_INTERLACE_MAX_FRAMES = 1000; |
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/** @var FFMpegConfigInterface */ |
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private $ffmpegConfig; |
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public function __construct(FFMpegConfigInterface $ffmpegConfig) |
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{ |
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$this->ffmpegConfig = $ffmpegConfig; |
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} |
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/** |
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* @throws AnalyzerExceptionInterface |
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* @throws AnalyzerProcessExceptionInterface |
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* @throws ProcessFailedException |
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* @throws MissingInputFileException |
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* @throws RuntimeReaderException |
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*/ |
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public function guessInterlacing(string $file, int $maxFramesToAnalyze = self::DEFAULT_INTERLACE_MAX_FRAMES, ?ProcessParamsInterface $processParams = null): InterlaceDetectGuess |
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{ |
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$adapter = $this->ffmpegConfig->getAdapter(); |
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$params = (new VideoConvertParams()) |
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->withVideoFilter(new IdetVideoFilter()) // detect interlaced frames :) |
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->withVideoFrames($maxFramesToAnalyze) |
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->withNoAudio() // speed up the thing |
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->withOutputFormat('rawvideo') |
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->withOverwrite(); |
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try { |
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$this->ensureFileReadable($file, true); |
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$arguments = $adapter->getMappedConversionParams($params); |
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$ffmpegCmd = $adapter->getCliCommand($arguments, $file, new PlatformNullFile()); |
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$pp = $processParams ?? $this->ffmpegConfig->getProcessParams(); |
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$process = (new ProcessFactory($ffmpegCmd, $pp))->__invoke(); |
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$process->mustRun(); |
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} catch (FileNotFoundException | FileNotReadableException | FileEmptyException $e) { |
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throw new MissingInputFileException($e->getMessage()); |
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} catch (SPException\ProcessFailedException | SPException\ProcessTimedOutException | SPException\ProcessSignaledException $e) { |
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throw new ProcessFailedException($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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$stdErr = preg_split("/(\r\n|\n|\r)/", $process->getErrorOutput()); |
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// Counted frames |
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$interlaced_tff = 0; |
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$interlaced_bff = 0; |
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$progressive = 0; |
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$undetermined = 0; |
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$total_frames = 0; |
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if ($stdErr !== false) { |
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foreach ($stdErr as $line) { |
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if (mb_substr($line, 0, 12) !== '[Parsed_idet') { |
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continue; |
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} |
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$unspaced = sprintf('%s', preg_replace('/( )+/', '', $line)); |
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$matches = []; |
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if (preg_match_all('/TFF:(\d+)BFF:(\d+)Progressive:(\d+)Undetermined:(\d+)/i', $unspaced, $matches) < 1) { |
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continue; |
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} |
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//$type = strpos(strtolower($unspaced), 'single') ? 'single' : 'multi'; |
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$interlaced_tff += (int) $matches[1][0]; |
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$interlaced_bff += (int) $matches[2][0]; |
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$progressive += (int) $matches[3][0]; |
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$undetermined += (int) $matches[4][0]; |
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$total_frames += ((int) $matches[1][0] + (int) $matches[2][0] + (int) $matches[3][0] + (int) $matches[4][0]); |
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} |
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} |
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return new InterlaceDetectGuess($interlaced_tff, $interlaced_bff, $progressive, $undetermined); |
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} |
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} |
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soluble-io /
soluble-mediatools
