File "HLSPlaylistGenerator.php"
Full Path: /home/u743136113/domains/arvi.seezify.com/public_html/vendor/pbmedia/laravel-ffmpeg/src/Exporters/HLSPlaylistGenerator.php
File size: 2.39 KB
MIME-type: text/x-php
Charset: utf-8
<?php
namespace ProtoneMedia\LaravelFFMpeg\Exporters;
use Illuminate\Support\Collection;
use ProtoneMedia\LaravelFFMpeg\Drivers\PHPFFMpeg;
use ProtoneMedia\LaravelFFMpeg\Filesystem\Media;
use ProtoneMedia\LaravelFFMpeg\Http\DynamicHLSPlaylist;
use ProtoneMedia\LaravelFFMpeg\MediaOpener;
use ProtoneMedia\LaravelFFMpeg\Support\StreamParser;
class HLSPlaylistGenerator implements PlaylistGenerator
{
public const PLAYLIST_START = '#EXTM3U';
public const PLAYLIST_END = '#EXT-X-ENDLIST';
/**
* Return the line from the master playlist that references the given segment playlist.
*
* @param \ProtoneMedia\LaravelFFMpeg\Filesystem\Media $playlistMedia
* @param string $key
* @return string
*/
private function getStreamInfoLine(Media $segmentPlaylistMedia, string $key): string
{
$segmentPlaylist = $segmentPlaylistMedia->getDisk()->get(
$segmentPlaylistMedia->getDirectory() . HLSExporter::generateTemporarySegmentPlaylistFilename($key)
);
$lines = DynamicHLSPlaylist::parseLines($segmentPlaylist)->filter();
return $lines->get($lines->search($segmentPlaylistMedia->getFilename()) - 1);
}
/**
* Loops through all segment playlists and generates a main playlist. It finds
* the relative paths to the segment playlists and adds the framerate when
* to each playlist.
*
* @param array $segmentPlaylists
* @param \ProtoneMedia\LaravelFFMpeg\Drivers\PHPFFMpeg $driver
* @return string
*/
public function get(array $segmentPlaylists, PHPFFMpeg $driver): string
{
return Collection::make($segmentPlaylists)->map(function (Media $segmentPlaylist, $key) use ($driver) {
$streamInfoLine = $this->getStreamInfoLine($segmentPlaylist, $key);
$media = (new MediaOpener($segmentPlaylist->getDisk(), $driver))
->openWithInputOptions($segmentPlaylist->getPath(), ['-allowed_extensions', 'ALL']);
if ($media->getVideoStream()) {
if ($frameRate = StreamParser::new($media->getVideoStream())->getFrameRate()) {
$streamInfoLine .= ",FRAME-RATE={$frameRate}";
}
}
return [$streamInfoLine, $segmentPlaylist->getFilename()];
})->collapse()
->prepend(static::PLAYLIST_START)
->push(static::PLAYLIST_END)
->implode(PHP_EOL);
}
}