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<?php |
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declare(strict_types=1); |
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namespace Soluble\MediaTools; |
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use Soluble\MediaTools\Config\FFMpegConfig; |
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use Soluble\MediaTools\Exception\FileNotFoundException; |
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use Soluble\MediaTools\Exception\ProcessConversionException; |
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use Soluble\MediaTools\Filter\Video\EmptyVideoFilter; |
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use Soluble\MediaTools\Filter\Video\VideoFilterChain; |
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use Soluble\MediaTools\Filter\Video\VideoFilterInterface; |
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use Soluble\MediaTools\Filter\Video\VideoFilterTypeDenoiseInterface; |
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use Soluble\MediaTools\Filter\Video\YadifVideoFilter; |
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use Soluble\MediaTools\Util\CommonAssertionsTrait; |
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use Symfony\Component\Process\Exception as ProcessException; |
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use Symfony\Component\Process\Process; |
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class VideoConvert |
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{ |
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use CommonAssertionsTrait; |
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/** @var FFMpegConfig */ |
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protected $ffmpegConfig; |
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/** @var VideoProbe */ |
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protected $videoProbe; |
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public function __construct(FFMpegConfig $ffmpegConfig, VideoProbe $videoProbe) |
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{ |
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$this->videoProbe = $videoProbe; |
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$this->ffmpegConfig = $ffmpegConfig; |
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$this->ffmpegConfig->getProcess()->ensureBinaryExists(); |
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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 to make |
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* things async... |
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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 FileNotFoundException when inputFile does not exists |
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*/ |
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public function getConversionProcess(string $inputFile, string $outputFile, VideoConvertParams $convertParams): Process |
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{ |
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$this->ensureFileExists($inputFile); |
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$process = $this->ffmpegConfig->getProcess(); |
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if (!$convertParams->hasOption(VideoConvertParams::OPTION_THREADS) && $this->ffmpegConfig->getThreads() !== null) { |
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$convertParams = $convertParams->withThreads($this->ffmpegConfig->getThreads()); |
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} |
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$ffmpegCmd = $process->buildCommand( |
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array_merge( |
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[ |
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sprintf('-i %s', escapeshellarg($inputFile)), // input filename |
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], |
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$convertParams->getFFMpegArguments(), |
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[ |
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'-y', // tell to overwrite |
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sprintf('%s', escapeshellarg($outputFile)), |
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] |
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) |
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); |
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$process = new Process($ffmpegCmd); |
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$process->setTimeout($this->ffmpegConfig->getConversionTimeout()); |
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$process->setIdleTimeout($this->ffmpegConfig->getConversionIdleTimeout()); |
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return $process; |
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} |
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/** |
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* Run a conversion, throw exception on error. |
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* |
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* @param callable|null $callback A PHP callback to run whenever there is some |
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* output available on STDOUT or STDERR |
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* @param array<string,string|int>|null $env An array of env vars to set |
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* when running the process |
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* |
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* @throws FileNotFoundException When inputFile does not exists |
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* @throws ProcessConversionException When the ffmpeg process conversion failed |
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*/ |
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public function convert(string $inputFile, string $outputFile, VideoConvertParams $convertParams, ?callable $callback = null, ?array $env = null): void |
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{ |
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$process = $this->getConversionProcess($inputFile, $outputFile, $convertParams); |
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try { |
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$process->mustRun($callback, (is_array($env) ? $env : $this->ffmpegConfig->getConversionEnv())); |
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} catch (ProcessException\RuntimeException $symfonyProcessException) { |
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// will include: ProcessFailedException|ProcessTimedOutException|ProcessSignaledException |
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throw new ProcessConversionException($process, $symfonyProcessException); |
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} catch (FileNotFoundException $e) { |
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throw $e; |
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} |
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} |
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/** |
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* Try to guess if the original video is interlaced (bff, tff) and |
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* return ffmpeg yadif filter argument and add denoise filter if any. |
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* |
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* @see https://ffmpeg.org/ffmpeg-filters.html (section yadif) |
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* @see https://askubuntu.com/a/867203 |
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* |
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* @return VideoFilterInterface|VideoFilterChain|EmptyVideoFilter|YadifVideoFilter |
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*/ |
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public function getDeintFilter(string $videoFile, ?VideoFilterTypeDenoiseInterface $denoiseFilter = null): VideoFilterInterface |
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{ |
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$guess = $this->videoProbe->guessInterlacing($videoFile); |
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$deintFilter = $guess->getDeinterlaceVideoFilter(); |
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// skip all filters if video is not interlaces |
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if ($deintFilter instanceof EmptyVideoFilter) { |
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return $deintFilter; |
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} |
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if ($denoiseFilter !== null) { |
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$videoFilterChain = new VideoFilterChain(); |
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$videoFilterChain->addFilter($deintFilter); |
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$videoFilterChain->addFilter($denoiseFilter); |
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return $videoFilterChain; |
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} |
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return $deintFilter; |
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} |
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/* |
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public function transcodeMultiPass(string $videoFile, string $outputFile, VideoConvertParams $convertParams, VideoFilterInterface $videoFilter=null): void { |
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$this->ensureFileExists($videoFile); |
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if ($videoFilter === null) { |
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$videoFilter = new EmptyVideoFilter(); |
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} |
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$threads = $convertParams->getOption(VideoConvertParams::OPTION_THREADS, $this->ffmpegConfig->getThreads()); |
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$ffmpegBin = $this->ffmpegConfig->getBinary(); |
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$commonArgs = array_merge([ |
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$ffmpegBin, |
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sprintf('-i %s', escapeshellarg($videoFile)), // input filename |
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$videoFilter->getFFMpegCliArgument(), // add -vf yadif,nlmeans |
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($threads === null) ? '' : sprintf('-threads %s', $threads), |
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], $convertParams->getFFMpegArguments()); |
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$pass1Cmd = implode(' ', array_merge( |
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$commonArgs, |
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[ |
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'-pass 1', |
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// tells VP9 to encode really fast, sacrificing quality. Useful to speed up the first pass. |
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'-speed 4', |
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'-y /dev/null', |
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] |
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)); |
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$pass2Cmd = implode( ' ', array_merge( |
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$commonArgs, |
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[ |
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'-pass 2', |
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// speed 1 is a good speed vs. quality compromise. |
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// Produces output quality typically very close to speed 0, but usually encodes much faster. |
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'-speed 1', |
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'-y', |
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sprintf("%s", escapeshellarg($outputFile)) |
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] |
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)); |
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$process = new Process($pass1Cmd); |
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$process->setTimeout(null); |
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$process->setIdleTimeout(60); // 60 seconds without output will stop the process |
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$process->start(); |
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foreach ($process as $type => $data) { |
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if ($process::OUT === $type) { |
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echo "\nRead from stdout: ".$data; |
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} else { // $process::ERR === $type |
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echo "\nRead from stderr: ".$data; |
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} |
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} |
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$process = new Process($pass2Cmd); |
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$process->setTimeout(null); |
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$process->setIdleTimeout(60); // 60 seconds without output will stop the process |
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$process->start(); |
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foreach ($process as $type => $data) { |
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if ($process::OUT === $type) { |
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echo "\nRead from stdout: ".$data; |
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} else { // $process::ERR === $type |
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echo "\nRead from stderr: ".$data; |
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} |
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} |
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} |
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*/ |
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} |
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soluble-io /
soluble-mediatools
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Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.
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This check looks for comments that seem to be mostly valid code and reports them.