mirror of
https://github.com/Poniverse/Pony.fm.git
synced 2024-11-25 06:27:59 +01:00
765 lines
21 KiB
PHP
765 lines
21 KiB
PHP
<?php
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/**
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* FFmpegMovie represents a movie file
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*
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* @author char0n (Vladimír Gorej, gorej@codescale.net)
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* @package FFmpegPHP
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* @license New BSD
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* @version 2.6
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*/
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class FFmpegMovie implements Serializable {
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protected static $REGEX_DURATION = '/Duration: ([0-9]{2}):([0-9]{2}):([0-9]{2})(\.([0-9]+))?/';
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protected static $REGEX_FRAME_RATE = '/([0-9\.]+\sfps,\s)?([0-9\.]+)\stbr/';
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protected static $REGEX_COMMENT = '/comment\s*(:|=)\s*(.+)/i';
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protected static $REGEX_TITLE = '/title\s*(:|=)\s*(.+)/i';
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protected static $REGEX_ARTIST = '/(artist|author)\s*(:|=)\s*(.+)/i';
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protected static $REGEX_COPYRIGHT = '/copyright\s*(:|=)\s*(.+)/i';
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protected static $REGEX_GENRE = '/genre\s*(:|=)\s*(.+)/i';
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protected static $REGEX_TRACK_NUMBER = '/track\s*(:|=)\s*(.+)/i';
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protected static $REGEX_YEAR = '/year\s*(:|=)\s*(.+)/i';
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protected static $REGEX_FRAME_WH = '/Video:.+?([1-9][0-9]*)x([1-9][0-9]*)/';
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protected static $REGEX_PIXEL_FORMAT = '/Video: [^,]+, ([^,]+)/';
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protected static $REGEX_BITRATE = '/bitrate: ([0-9]+) kb\/s/';
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protected static $REGEX_VIDEO_BITRATE = '/Video:.+?([0-9]+) kb\/s/';
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protected static $REGEX_AUDIO_BITRATE = '/Audio:.+?([0-9]+) kb\/s/';
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protected static $REGEX_AUDIO_SAMPLE_RATE = '/Audio:.+?([0-9]+) Hz/';
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protected static $REGEX_VIDEO_CODEC = '/Video:\s([^,]+),/';
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protected static $REGEX_AUDIO_CODEC = '/Audio:\s([^,]+),/';
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protected static $REGEX_AUDIO_CHANNELS = '/Audio:\s[^,]+,[^,]+,([^,]+)/';
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protected static $REGEX_HAS_AUDIO = '/Stream.+Audio/';
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protected static $REGEX_HAS_VIDEO = '/Stream.+Video/';
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protected static $REGEX_ERRORS = '/.*(Error|Permission denied|could not seek to position|Invalid pixel format|Unknown encoder|could not find codec|does not contain any stream).*/i';
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/**
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* FFmpeg binary
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*
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* @var string
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*/
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protected $ffmpegBinary;
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/**
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* Output provider
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*
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* @var OutputProvider
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*/
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protected $provider;
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/**
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* Movie file path
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*
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* @var string
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*/
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protected $movieFile;
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/**
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* provider output
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*
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* @var string
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*/
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protected $output;
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/**
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* Movie duration in seconds
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*
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* @var float
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*/
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protected $duration;
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/**
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* Current frame index
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*
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* @var int
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*/
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protected $frameCount;
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/**
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* Movie frame rate
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*
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* @var float
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*/
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protected $frameRate;
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/**
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* Comment ID3 field
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*
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* @var string
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*/
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protected $comment;
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/**
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* Title ID3 field
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*
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* @var string
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*/
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protected $title;
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/**
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* Author ID3 field
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*
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* @var string
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*/
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protected $artist;
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/**
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* Copyright ID3 field
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*
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* @var string
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*/
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protected $copyright;
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/**
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* Genre ID3 field
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*
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* @var string
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*/
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protected $genre;
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/**
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* Track ID3 field
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*
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* @var int
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*/
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protected $trackNumber;
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/**
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* Year ID3 field
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*
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* @var int
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*/
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protected $year;
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/**
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* Movie frame height
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*
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* @var int
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*/
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protected $frameHeight;
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/**
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* Movie frame width
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*
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* @var int
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*/
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protected $frameWidth;
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/**
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* Movie pixel format
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*
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* @var string
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*/
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protected $pixelFormat;
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/**
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* Movie bit rate combined with audio bit rate
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*
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* @var int
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*/
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protected $bitRate;
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/**
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* Movie video stream bit rate
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*
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* @var int
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*/
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protected $videoBitRate;
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/**
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* Movie audio stream bit rate
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*
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* @var int
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*/
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protected $audioBitRate;
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/**
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* Audio sample rate
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*
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* @var int
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*/
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protected $audioSampleRate;
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/**
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* Current frame number
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*
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* @var int
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*/
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protected $frameNumber;
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/**
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* Movie video cocec
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*
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* @var string
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*/
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protected $videoCodec;
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/**
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* Movie audio coded
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*
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* @var string
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*/
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protected $audioCodec;
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/**
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* Movie audio channels
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*
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* @var int
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*/
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protected $audioChannels;
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/**
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* Open a video or audio file and return it as an FFmpegMovie object.
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* If ffmpeg and ffprobe are both installed on host system, ffmpeg
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* gets priority in extracting info from the movie file. However
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* to override this default behaviour use any implementation of OutputProvider interface
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* as the second constructor argumentwhile instantiating
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*
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*
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* @param string $moviePath full path to the movie file
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* @param OutputProvider $outputProvider provides parsable output
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* @param string $ffmpegBinary ffmpeg executable, if $outputProvider not specified
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* @throws Exception
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* @return FFmpegMovie
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*/
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public function __construct($moviePath, OutputProvider $outputProvider = null, $ffmpegBinary = 'ffmpeg') {
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$this->movieFile = $moviePath;
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$this->frameNumber = 0;
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$this->ffmpegBinary = $ffmpegBinary;
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if ($outputProvider === null) {
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$outputProvider = new FFmpegOutputProvider($ffmpegBinary);
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}
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$this->setProvider($outputProvider);
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}
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/**
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* Setting provider implementation
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*
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* @param OutputProvider $outputProvider
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*/
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public function setProvider(OutputProvider $outputProvider) {
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$this->provider = $outputProvider;
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$this->provider->setMovieFile($this->movieFile);
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$this->output = $this->provider->getOutput();
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}
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/**
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* Getting current provider implementation
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*
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* @return OutputProvider
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*/
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public function getProvider() {
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return $this->provider;
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}
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/**
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* Return the duration of a movie or audio file in seconds.
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*
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* @return float movie duration in seconds
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*/
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public function getDuration() {
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if ($this->duration === null) {
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$match = array();
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preg_match(self::$REGEX_DURATION, $this->output, $match);
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if (array_key_exists(1, $match) && array_key_exists(2, $match) && array_key_exists(3, $match)) {
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$hours = (int) $match[1];
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$minutes = (int) $match[2];
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$seconds = (int) $match[3];
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$fractions = (float) ((array_key_exists(5, $match)) ? "0.$match[5]" : 0.0);
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$this->duration = (($hours * (3600)) + ($minutes * 60) + $seconds + $fractions);
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} else {
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$this->duration = 0.0;
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}
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return $this->duration;
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}
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return $this->duration;
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}
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/**
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* Return the number of frames in a movie or audio file.
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*
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* @return int
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*/
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public function getFrameCount() {
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if ($this->frameCount === null) {
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$this->frameCount = (int) ($this->getDuration() * $this->getFrameRate());
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}
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return $this->frameCount;
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}
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/**
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* Return the frame rate of a movie in fps.
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*
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* @return float
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*/
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public function getFrameRate() {
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if ($this->frameRate === null) {
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$match = array();
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preg_match(self::$REGEX_FRAME_RATE, $this->output, $match);
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$this->frameRate = (float) ((array_key_exists(1, $match)) ? $match[1] : 0.0);
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}
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return $this->frameRate;
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}
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/**
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* Return the path and name of the movie file or audio file.
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*
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* @return string
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*/
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public function getFilename() {
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return $this->movieFile;
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}
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/**
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* Return the comment field from the movie or audio file.
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*
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* @return string
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*/
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public function getComment() {
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if ($this->comment === null) {
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$match = array();
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preg_match(self::$REGEX_COMMENT, $this->output, $match);
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$this->comment = (array_key_exists(2, $match)) ? trim($match[2]) : '';
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}
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return $this->comment;
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}
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/**
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* Return the title field from the movie or audio file.
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*
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* @return string
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*/
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public function getTitle() {
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if ($this->title === null) {
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$match = array();
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preg_match(self::$REGEX_TITLE, $this->output, $match);
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$this->title = (array_key_exists(2, $match)) ? trim($match[2]) : '';
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}
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return $this->title;
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}
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/**
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* Return the author field from the movie or the artist ID3 field from an mp3 file; alias $movie->getArtist()
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*
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* @return string
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*/
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public function getArtist() {
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if ($this->artist === null) {
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$match = array();
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preg_match(self::$REGEX_ARTIST, $this->output, $match);
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$this->artist = (array_key_exists(3, $match)) ? trim($match[3]) : '';
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}
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return $this->artist;
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}
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/**
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* Return the author field from the movie or the artist ID3 field from an mp3 file.
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*
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* @return string
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*/
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public function getAuthor() {
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return $this->getArtist();
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}
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/**
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* Return the copyright field from the movie or audio file.
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*
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* @return string
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*/
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public function getCopyright() {
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if ($this->copyright === null) {
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$match = array();
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preg_match(self::$REGEX_COPYRIGHT, $this->output, $match);
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$this->copyright = (array_key_exists(2, $match)) ? trim($match[2]) : '';
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}
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return $this->copyright;
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}
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/**
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* Return the genre ID3 field from an mp3 file.
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*
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* @return string
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*/
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public function getGenre() {
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if ($this->genre === null) {
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$match = array();
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preg_match(self::$REGEX_GENRE, $this->output, $match);
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$this->genre = (array_key_exists(2, $match)) ? trim($match[2]) : '';
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}
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return $this->genre;
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}
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/**
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* Return the track ID3 field from an mp3 file.
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*
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* @return int
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*/
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public function getTrackNumber() {
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if ($this->trackNumber === null) {
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$match = array();
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preg_match(self::$REGEX_TRACK_NUMBER, $this->output, $match);
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$this->trackNumber = (int) ((array_key_exists(2, $match)) ? $match[2] : 0);
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}
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return $this->trackNumber;
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}
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/**
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* Return the year ID3 field from an mp3 file.
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*
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* @return int
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*/
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public function getYear() {
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if ($this->year === null) {
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$match = array();
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preg_match(self::$REGEX_YEAR, $this->output, $match);
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$this->year = (int) ((array_key_exists(2, $match)) ? $match[2] : 0);
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}
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return $this->year;
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}
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/**
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* Return the height of the movie in pixels.
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*
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* @return int
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*/
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public function getFrameHeight() {
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if ($this->frameHeight == null) {
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$match = array();
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preg_match(self::$REGEX_FRAME_WH, $this->output, $match);
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if (array_key_exists(1, $match) && array_key_exists(2, $match)) {
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$this->frameWidth = (int) $match[1];
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$this->frameHeight = (int) $match[2];
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} else {
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$this->frameWidth = 0;
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$this->frameHeight = 0;
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}
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}
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return $this->frameHeight;
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}
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/**
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* Return the width of the movie in pixels.
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*
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* @return int
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*/
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public function getFrameWidth() {
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if ($this->frameWidth === null) {
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$this->getFrameHeight();
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}
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return $this->frameWidth;
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}
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/**
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* Return the pixel format of the movie.
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*
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* @return string
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*/
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public function getPixelFormat() {
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if ($this->pixelFormat === null) {
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$match = array();
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preg_match(self::$REGEX_PIXEL_FORMAT, $this->output, $match);
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$this->pixelFormat = (array_key_exists(1, $match)) ? trim($match[1]) : '';
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}
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return $this->pixelFormat;
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}
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/**
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* Return the bit rate of the movie or audio file in bits per second.
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*
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* @return int
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*/
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public function getBitRate() {
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if ($this->bitRate === null) {
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$match = array();
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preg_match(self::$REGEX_BITRATE, $this->output, $match);
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$this->bitRate = (int) ((array_key_exists(1, $match)) ? ($match[1] * 1000) : 0);
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}
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return $this->bitRate;
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}
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/**
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* Return the bit rate of the video in bits per second.
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*
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* NOTE: This only works for files with constant bit rate.
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*
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* @return int
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*/
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public function getVideoBitRate() {
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if ($this->videoBitRate === null) {
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$match = array();
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preg_match(self::$REGEX_VIDEO_BITRATE, $this->output, $match);
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$this->videoBitRate = (int) ((array_key_exists(1, $match)) ? ($match[1] * 1000) : 0);
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}
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return $this->videoBitRate;
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}
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/**
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* Return the audio bit rate of the media file in bits per second.
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*
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* @return int
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*/
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public function getAudioBitRate() {
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if ($this->audioBitRate === null) {
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$match = array();
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preg_match(self::$REGEX_AUDIO_BITRATE, $this->output, $match);
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$this->audioBitRate = (int) ((array_key_exists(1, $match)) ? ($match[1] * 1000) : 0);
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}
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return $this->audioBitRate;
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}
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/**
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* Return the audio sample rate of the media file in bits per second.
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*
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* @return int
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*/
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public function getAudioSampleRate() {
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if ($this->audioSampleRate === null) {
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$match = array();
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preg_match(self::$REGEX_AUDIO_SAMPLE_RATE, $this->output, $match);
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$this->audioSampleRate = (int) ((array_key_exists(1, $match)) ? $match[1] : 0);
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}
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return $this->audioSampleRate;
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}
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/**
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* Return the current frame index.
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*
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* @return int
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*/
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public function getFrameNumber() {
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return ($this->frameNumber == 0) ? 1 : $this->frameNumber;
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}
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/**
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* Return the name of the video codec used to encode this movie as a string.
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*
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* @return string
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*/
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public function getVideoCodec() {
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if ($this->videoCodec === null) {
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$match = array();
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preg_match(self::$REGEX_VIDEO_CODEC, $this->output, $match);
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$this->videoCodec = (array_key_exists(1, $match)) ? trim($match[1]) : '';
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}
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return $this->videoCodec;
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}
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/**
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* Return the name of the audio codec used to encode this movie as a string.
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*
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* @return string
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*/
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public function getAudioCodec() {
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if ($this->audioCodec === null) {
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$match = array();
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preg_match(self::$REGEX_AUDIO_CODEC, $this->output, $match);
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$this->audioCodec = (array_key_exists(1, $match)) ? trim($match[1]) : '';
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}
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return $this->audioCodec;
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}
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/**
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* Return the number of audio channels in this movie as an integer.
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*
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* @return int
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*/
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public function getAudioChannels() {
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if ($this->audioChannels === null) {
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$match = array();
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preg_match(self::$REGEX_AUDIO_CHANNELS, $this->output, $match);
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if (array_key_exists(1, $match)) {
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switch (trim($match[1])) {
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case 'mono':
|
|
$this->audioChannels = 1; break;
|
|
case 'stereo':
|
|
$this->audioChannels = 2; break;
|
|
case '5.1':
|
|
$this->audioChannels = 6; break;
|
|
case '5:1':
|
|
$this->audioChannels = 6; break;
|
|
default:
|
|
$this->audioChannels = (int) $match[1];
|
|
}
|
|
} else {
|
|
$this->audioChannels = 0;
|
|
}
|
|
}
|
|
|
|
return $this->audioChannels;
|
|
}
|
|
|
|
/**
|
|
* Return boolean value indicating whether the movie has an audio stream.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function hasAudio() {
|
|
return (boolean) preg_match(self::$REGEX_HAS_AUDIO, $this->output);
|
|
}
|
|
|
|
/**
|
|
* Return boolean value indicating whether the movie has a video stream.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function hasVideo() {
|
|
return (boolean) preg_match(self::$REGEX_HAS_VIDEO, $this->output);
|
|
}
|
|
|
|
/**
|
|
* Returns a frame from the movie as an FFmpegFrame object. Returns false if the frame was not found.
|
|
*
|
|
* * framenumber - Frame from the movie to return. If no framenumber is specified, returns the next frame of the movie.
|
|
*
|
|
* @param int $framenumber
|
|
* @param int $height
|
|
* @param int $width
|
|
* @param int $quality
|
|
* @return FFmpegFrame|boolean
|
|
*/
|
|
public function getFrame($framenumber = null, $height = null, $width = null, $quality = null) {
|
|
$framePos = ($framenumber === null) ? $this->frameNumber : (((int) $framenumber) - 1);
|
|
|
|
// Frame position out of range
|
|
if (!is_numeric($framePos) || $framePos < 0 || $framePos > $this->getFrameCount()) {
|
|
return false;
|
|
}
|
|
|
|
$frameTime = round((($framePos / $this->getFrameCount()) * $this->getDuration()), 4);
|
|
|
|
$frame = $this->getFrameAtTime($frameTime, $height, $width, $quality);
|
|
|
|
// Increment internal frame number
|
|
if ($framenumber === null) {
|
|
++$this->frameNumber;
|
|
}
|
|
|
|
return $frame;
|
|
}
|
|
|
|
/**
|
|
* Returns a frame from the movie as an FFmpegFrame object. Returns false if the frame was not found.
|
|
*
|
|
* @param float $seconds
|
|
* @param int $width
|
|
* @param int $height
|
|
* @param int $quality
|
|
* @param string $frameFilePath
|
|
* @param array $output
|
|
*
|
|
* @throws Exception
|
|
*
|
|
* @return FFmpegFrame|boolean
|
|
*
|
|
*/
|
|
public function getFrameAtTime($seconds = null, $width = null, $height = null, $quality = null, $frameFilePath = null, &$output = null) {
|
|
// Set frame position for frame extraction
|
|
$frameTime = ($seconds === null) ? 0 : $seconds;
|
|
|
|
// time out of range
|
|
if (!is_numeric($frameTime) || $frameTime < 0 || $frameTime > $this->getDuration()) {
|
|
throw(new Exception('Frame time is not in range '.$frameTime.'/'.$this->getDuration().' '.$this->getFilename()));
|
|
}
|
|
|
|
if(is_numeric($height) && is_numeric($width)) {
|
|
$image_size = ' -s '.$width.'x'.$height;
|
|
} else {
|
|
$image_size = '';
|
|
}
|
|
|
|
if(is_numeric($quality)) {
|
|
$quality = ' -qscale '.$quality;
|
|
} else {
|
|
$quality = '';
|
|
}
|
|
|
|
$deleteTmp = false;
|
|
if ($frameFilePath === null) {
|
|
$frameFilePath = sys_get_temp_dir().DIRECTORY_SEPARATOR.uniqid('frame', true).'.jpg';
|
|
$deleteTmp = true;
|
|
}
|
|
|
|
$output = array();
|
|
|
|
// Fast and accurate way to seek. First quick-seek before input up to
|
|
// a point just before the frame, and then accurately seek after input
|
|
// to the exact point.
|
|
// See: http://ffmpeg.org/trac/ffmpeg/wiki/Seeking%20with%20FFmpeg
|
|
if ($frameTime > 30) {
|
|
$seek1 = $frameTime - 30;
|
|
$seek2 = 30;
|
|
} else {
|
|
$seek1 = 0;
|
|
$seek2 = $frameTime;
|
|
}
|
|
|
|
exec(implode(' ', array(
|
|
$this->ffmpegBinary,
|
|
'-ss '.$seek1,
|
|
'-i '.escapeshellarg($this->movieFile),
|
|
'-f image2',
|
|
'-ss '.$seek2,
|
|
'-vframes 1',
|
|
$image_size,
|
|
$quality,
|
|
escapeshellarg($frameFilePath),
|
|
'2>&1',
|
|
)), $output, $retVar);
|
|
$output = join(PHP_EOL, $output);
|
|
|
|
// Cannot write frame to the data storage
|
|
if (!file_exists($frameFilePath)) {
|
|
// Find error in output
|
|
preg_match(self::$REGEX_ERRORS, $output, $errors);
|
|
if ($errors) {
|
|
throw new Exception($errors[0]);
|
|
}
|
|
// Default file not found error
|
|
throw new Exception('TMP image not found/written '. $frameFilePath);
|
|
}
|
|
|
|
// Create gdimage and delete temporary image
|
|
$gdImage = imagecreatefromjpeg($frameFilePath);
|
|
if ($deleteTmp && is_writable($frameFilePath)) {
|
|
unlink($frameFilePath);
|
|
}
|
|
|
|
$frame = new FFmpegFrame($gdImage, $frameTime);
|
|
imagedestroy($gdImage);
|
|
|
|
return $frame;
|
|
}
|
|
|
|
/**
|
|
* Returns the next key frame from the movie as an FFmpegFrame object. Returns false if the frame was not found.
|
|
*
|
|
* @return FFmpegFrame|boolean
|
|
*/
|
|
public function getNextKeyFrame() {
|
|
return $this->getFrame();
|
|
}
|
|
|
|
public function __clone() {
|
|
$this->provider = clone $this->provider;
|
|
}
|
|
|
|
public function serialize() {
|
|
$data = serialize(array(
|
|
$this->ffmpegBinary,
|
|
$this->movieFile,
|
|
$this->output,
|
|
$this->frameNumber,
|
|
$this->provider
|
|
));
|
|
|
|
return $data;
|
|
}
|
|
|
|
public function unserialize($serialized) {
|
|
list($this->ffmpegBinary,
|
|
$this->movieFile,
|
|
$this->output,
|
|
$this->frameNumber,
|
|
$this->provider
|
|
) = unserialize($serialized);
|
|
|
|
}
|
|
}
|