File "MediaExporter.php"
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<?php
namespace ProtoneMedia\LaravelFFMpeg\Exporters;
use FFMpeg\Exception\RuntimeException;
use FFMpeg\Format\FormatInterface;
use Illuminate\Support\Collection;
use Illuminate\Support\Traits\ForwardsCalls;
use ProtoneMedia\LaravelFFMpeg\Drivers\PHPFFMpeg;
use ProtoneMedia\LaravelFFMpeg\FFMpeg\NullFormat;
use ProtoneMedia\LaravelFFMpeg\FFMpeg\StdListener;
use ProtoneMedia\LaravelFFMpeg\Filesystem\Disk;
use ProtoneMedia\LaravelFFMpeg\Filesystem\Media;
use ProtoneMedia\LaravelFFMpeg\Filters\TileFactory;
use ProtoneMedia\LaravelFFMpeg\MediaOpener;
use ProtoneMedia\LaravelFFMpeg\Support\ProcessOutput;
/**
* @mixin \ProtoneMedia\LaravelFFMpeg\Drivers\PHPFFMpeg
*/
class MediaExporter
{
use ForwardsCalls;
use HandlesAdvancedMedia;
use HandlesConcatenation;
use HandlesFrames;
use HandlesTimelapse;
use HasProgressListener;
/**
* @var \ProtoneMedia\LaravelFFMpeg\Drivers\PHPFFMpeg
*/
protected $driver;
/**
* @var \FFMpeg\Format\FormatInterface
*/
private $format;
/**
* @var string
*/
protected $visibility;
/**
* @var \ProtoneMedia\LaravelFFMpeg\Filesystem\Disk
*/
private $toDisk;
/**
* Callbacks that should be called directly after the
* underlying library completed the save method.
*
* @var array
*/
private $afterSavingCallbacks = [];
public function __construct(PHPFFMpeg $driver)
{
$this->driver = $driver;
$this->maps = new Collection();
}
protected function getDisk(): Disk
{
if ($this->toDisk) {
return $this->toDisk;
}
$media = $this->driver->getMediaCollection();
/** @var Disk $disk */
$disk = $media->first()->getDisk();
return $this->toDisk = $disk->clone();
}
public function inFormat(FormatInterface $format): self
{
$this->format = $format;
return $this;
}
public function toDisk($disk)
{
$this->toDisk = Disk::make($disk);
return $this;
}
public function withVisibility(string $visibility)
{
$this->visibility = $visibility;
return $this;
}
/**
* Calls the callable with a TileFactory instance and
* adds the freshly generated TileFilter.
*
* @param callable $withTileFactory
* @return self
*/
public function addTileFilter(callable $withTileFactory): self
{
$withTileFactory(
$tileFactory = new TileFactory()
);
$this->addFilter($filter = $tileFactory->get());
if (!$tileFactory->vttOutputPath) {
return $this;
}
return $this->afterSaving(function (MediaExporter $mediaExporter, Media $outputMedia) use ($filter, $tileFactory) {
$generator = new VTTPreviewThumbnailsGenerator(
$filter,
$mediaExporter->driver->getDurationInSeconds(),
$tileFactory->vttSequnceFilename ?: fn () => $outputMedia->getPath()
);
$this->toDisk->put($tileFactory->vttOutputPath, $generator->getContents());
});
}
/**
* Returns the final command, useful for debugging purposes.
*
* @param string $path
* @return mixed
*/
public function getCommand(string $path = null)
{
$media = $this->prepareSaving($path);
return $this->driver->getFinalCommand(
$this->format ?: new NullFormat(),
optional($media)->getLocalPath() ?: '/dev/null'
);
}
/**
* Dump the final command and end the script.
*
* @param string $path
* @return void
*/
public function dd(string $path = null)
{
dd($this->getCommand($path));
}
/**
* Adds a callable to the callbacks array.
*
* @param callable $callback
* @return self
*/
public function afterSaving(callable $callback): self
{
$this->afterSavingCallbacks[] = $callback;
return $this;
}
private function prepareSaving(string $path = null): ?Media
{
$outputMedia = $path ? $this->getDisk()->makeMedia($path) : null;
if ($this->concatWithTranscoding && $outputMedia) {
$this->addConcatFilterAndMapping($outputMedia);
}
if ($this->maps->isNotEmpty()) {
$this->driver->getPendingComplexFilters()->each->apply($this->driver, $this->maps);
$this->maps->map->apply($this->driver->get());
return $outputMedia;
}
if ($this->format && $this->onProgressCallback) {
$this->applyProgressListenerToFormat($this->format);
}
if ($this->timelapseFramerate > 0) {
$this->addTimelapseParametersToFormat();
}
return $outputMedia;
}
protected function runAfterSavingCallbacks(Media $outputMedia = null)
{
foreach ($this->afterSavingCallbacks as $key => $callback) {
call_user_func($callback, $this, $outputMedia);
unset($this->afterSavingCallbacks[$key]);
}
}
public function save(string $path = null)
{
$outputMedia = $this->prepareSaving($path);
$this->driver->applyBeforeSavingCallbacks();
if ($this->maps->isNotEmpty()) {
return $this->saveWithMappings();
}
try {
if ($this->driver->isConcat() && $outputMedia) {
$this->driver->saveFromSameCodecs($outputMedia->getLocalPath());
} elseif ($this->driver->isFrame()) {
$data = $this->driver->save(
optional($outputMedia)->getLocalPath(),
$this->getAccuracy(),
$this->returnFrameContents
);
if ($this->returnFrameContents) {
$this->runAfterSavingCallbacks($outputMedia);
return $data;
}
} else {
$this->driver->save(
$this->format ?: new NullFormat(),
optional($outputMedia)->getLocalPath() ?: '/dev/null'
);
}
} catch (RuntimeException $exception) {
throw EncodingException::decorate($exception);
}
if ($outputMedia) {
$outputMedia->copyAllFromTemporaryDirectory($this->visibility);
$outputMedia->setVisibility($this->visibility);
}
if ($this->onProgressCallback) {
call_user_func($this->onProgressCallback, 100, 0, 0);
}
$this->runAfterSavingCallbacks($outputMedia);
return $this->getMediaOpener();
}
public function getProcessOutput(): ProcessOutput
{
return tap(new StdListener(), function (StdListener $listener) {
$this->addListener($listener)->save();
$listener->removeAllListeners();
$this->removeListener($listener);
})->get();
}
private function saveWithMappings(): MediaOpener
{
if ($this->onProgressCallback) {
$this->applyProgressListenerToFormat($this->maps->last()->getFormat());
}
try {
$this->driver->save();
} catch (RuntimeException $exception) {
throw EncodingException::decorate($exception);
}
if ($this->onProgressCallback) {
call_user_func($this->onProgressCallback, 100, 0, 0);
}
$this->maps->map->getOutputMedia()->each->copyAllFromTemporaryDirectory($this->visibility);
return $this->getMediaOpener();
}
protected function getMediaOpener(): MediaOpener
{
return new MediaOpener(
$this->driver->getMediaCollection()->last()->getDisk(),
$this->driver,
$this->driver->getMediaCollection()
);
}
/**
* Forwards the call to the driver object and returns the result
* if it's something different than the driver object itself.
*/
public function __call($method, $arguments)
{
$result = $this->forwardCallTo($driver = $this->driver, $method, $arguments);
return ($result === $driver) ? $this : $result;
}
}