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<?php |
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/** |
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* This file is part of the PHP-FFmpeg-video-streaming package. |
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* |
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* (c) Amin Yazdanpanah <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Streaming; |
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use FFMpeg\FFProbe\DataMapping\Format; |
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use FFMpeg\FFProbe\DataMapping\Stream as VideoStream; |
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use FFMpeg\FFProbe\DataMapping\StreamCollection; |
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use Streaming\Exception\InvalidArgumentException; |
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class Metadata |
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{ |
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/** @var Stream */ |
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private $stream; |
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/** @var \FFMpeg\FFProbe\DataMapping\Format */ |
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private $format; |
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/** @var \FFMpeg\FFProbe\DataMapping\StreamCollection */ |
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private $video_streams; |
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/** |
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* Metadata constructor. |
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* @param Stream $stream |
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*/ |
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public function __construct(Stream $stream) |
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{ |
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$this->stream = $stream; |
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$this->format = $stream->getMedia()->getFormat(); |
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$this->video_streams = $stream->getMedia()->getStreams(); |
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} |
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/** |
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* @return \FFMpeg\FFProbe\DataMapping\Format |
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*/ |
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public function getFormat(): Format |
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{ |
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return $this->format; |
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} |
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/** |
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* @return \FFMpeg\FFProbe\DataMapping\StreamCollection |
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*/ |
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public function getVideoStreams(): StreamCollection |
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{ |
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return $this->video_streams; |
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} |
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/** |
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* @param VideoStream $stream |
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* @return array |
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*/ |
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private function streamToArray(VideoStream $stream): array |
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{ |
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return $stream->all(); |
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} |
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/** |
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* @return mixed |
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*/ |
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private function getVideoMetadata(): array |
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{ |
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return [ |
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'format' => $this->getFormat()->all(), |
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'streams' => array_map([$this, 'streamToArray'], $this->getVideoStreams()->all()) |
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]; |
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} |
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/** |
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* @param Representation $rep |
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* @return array |
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*/ |
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private function repToArray(Representation $rep): array |
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{ |
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return [ |
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"dimension" => strtoupper($rep->size2string()), |
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"video_kilo_bitrate" => $rep->getKiloBitrate(), |
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"audio_kilo_bitrate" => $rep->getAudioKiloBitrate() ?? "Not specified" |
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]; |
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} |
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/** |
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* @return array |
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*/ |
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private function getResolutions(): array |
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{ |
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if (!method_exists($this->stream, 'getRepresentations')) { |
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return []; |
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} |
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return array_map([$this, 'repToArray'], $this->stream->getRepresentations()->all()); |
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} |
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/** |
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* @return array |
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*/ |
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public function getStreamsMetadata(): array |
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{ |
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$dirname = $this->stream->pathInfo(PATHINFO_DIRNAME); |
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$basename = $this->stream->pathInfo(PATHINFO_BASENAME); |
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$filename = $dirname . DIRECTORY_SEPARATOR . $basename; |
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$technique = explode("\\", get_class($this->stream)); |
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$format = explode("\\", get_class($this->stream->getFormat())); |
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$metadata = [ |
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"filename" => $filename, |
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"size_of_stream_dir" => File::directorySize($dirname), |
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"created_at" => file_exists($filename) ? date("Y-m-d H:i:s", filemtime($filename)) : 'The file has been deleted', |
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"resolutions" => $this->getResolutions(), |
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"format" => end($format), |
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"streaming_technique" => end($technique) |
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]; |
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if ($this->stream instanceof DASH) { |
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$metadata = array_merge($metadata, ["seg_duration" => $this->stream->getSegDuration()]); |
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} elseif ($this->stream instanceof HLS) { |
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$metadata = array_merge( |
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$metadata, |
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[ |
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"hls_time" => (int)$this->stream->getHlsTime(), |
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"hls_cache" => (bool)$this->stream->isHlsAllowCache(), |
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"encrypted_hls" => (bool)$this->stream->getHlsKeyInfoFile(), |
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"ts_sub_directory" => $this->stream->getSegSubDirectory(), |
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"base_url" => $this->stream->getHlsBaseUrl() |
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] |
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); |
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} |
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return $metadata; |
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} |
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/** |
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* @return array |
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*/ |
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public function get(): array |
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{ |
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return [ |
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"video" => $this->getVideoMetadata(), |
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"stream" => $this->getStreamsMetadata() |
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]; |
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} |
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/** |
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* @param null $opts |
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* @return string |
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*/ |
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public function getJson($opts = null): string |
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{ |
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return json_encode($this->get(), $opts ?? JSON_PRETTY_PRINT); |
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} |
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/** |
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* @param string $filename |
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* @param int $opts |
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* @return string |
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*/ |
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public function saveAsJson(string $filename = null, int $opts = null): string |
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{ |
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if (is_null($filename)) { |
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if ($this->stream->isTmpDir()) { |
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throw new InvalidArgumentException("It is a temp directory! It is not possible to save it"); |
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} |
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$name = uniqid(($this->stream->pathInfo(PATHINFO_FILENAME) ?? "meta") . "-") . ".json"; |
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$filename = $this->stream->pathInfo(PATHINFO_DIRNAME) . DIRECTORY_SEPARATOR . $name; |
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} |
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File::put($filename, $this->getJson($opts)); |
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return $filename; |
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} |
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/** |
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* @param string|null $save_to |
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* @param int|null $opts |
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* @return array |
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*/ |
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public function export(string $save_to = null, int $opts = null): array |
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{ |
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return array_merge($this->get(), ['filename' => $this->saveAsJson($save_to, $opts)]); |
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} |
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} |
aminyazdanpanah /
PHP-FFmpeg-video-streaming
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..