Fix incorrect VBR-file duration (depending on quality) and add Cover extraction
This commit is contained in:
wapmorgan
parent
5f7d54fa69
commit
ee86090f0a
16
bin/mp3scan
Normal file → Executable file
16
bin/mp3scan
Normal file → Executable file
@ -162,7 +162,21 @@ class Mp3InfoConsoleRunner {
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}
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}
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if ($verbose) {
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if ($verbose) {
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print_r(get_object_vars($audio));
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print_r(array_intersect_key(get_object_vars($audio), array_flip([
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'codecVersion',
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'layerVersion',
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'duration',
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'bitRate',
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'sampleRate',
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'isVbr',
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'hasCover',
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'channel',
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'tags',
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'tags1',
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'tags2',
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'id3v2MajorVersion',
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'id3v2MinorVersion',
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])));
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}
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}
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$this->totalDuration += $audio->duration;
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$this->totalDuration += $audio->duration;
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270
src/Mp3Info.php
270
src/Mp3Info.php
@ -78,51 +78,55 @@ class Mp3Info {
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public static $headerSeekLimit = 2048;
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public static $headerSeekLimit = 2048;
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/**
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/**
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* MPEG codec version (1 or 2 or 2.5 or undefined)
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* @var int MPEG codec version (1 or 2 or 2.5 or undefined)
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* @var int
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*/
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*/
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public $codecVersion;
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public $codecVersion;
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/**
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/**
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* Audio layer version (1 or 2 or 3)
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* @var int Audio layer version (1 or 2 or 3)
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* @var int
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*/
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*/
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public $layerVersion;
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public $layerVersion;
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/**
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/**
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* Audio size in bytes. Note that this value is NOT equals file size.
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* @var int Audio size in bytes. Note that this value is NOT equals file size.
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* @var int
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*/
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*/
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public $audioSize;
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public $audioSize;
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/**
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/**
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* Audio duration in seconds.microseconds (e.g. 3603.0171428571)
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* @var float Audio duration in seconds.microseconds (e.g. 3603.0171428571)
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* @var float
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*/
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*/
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public $duration;
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public $duration;
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/**
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/**
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* Audio bit rate in bps (e.g. 128000)
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* @var int Audio bit rate in bps (e.g. 128000)
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*/
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*/
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public $bitRate;
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public $bitRate;
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/**
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/**
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* Audio sample rate in Hz (e.g. 44100)
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* @var int Audio sample rate in Hz (e.g. 44100)
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* @var int
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*/
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*/
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public $sampleRate;
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public $sampleRate;
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/**
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/**
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* Contains true if audio has variable bit rate
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* @var boolean Contains true if audio has variable bit rate
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* @var boolean
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*/
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*/
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public $isVbr = false;
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public $isVbr = false;
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/**
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/**
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* Contains VBR properties
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* @var boolean Contains true if audio has cover
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* @var array
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*/
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public $hasCover = false;
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/**
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* @var array Contains VBR properties
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*/
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*/
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public $vbrProperties = [];
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public $vbrProperties = [];
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/**
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* @var array Contains picture properties
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*/
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public $coverProperties = [];
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/**
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/**
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* Channel mode (stereo or dual_mono or joint_stereo or mono)
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* Channel mode (stereo or dual_mono or joint_stereo or mono)
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* @var string
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* @var string
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@ -135,67 +139,57 @@ class Mp3Info {
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public $tags = [];
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public $tags = [];
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/**
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/**
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* Audio tags ver. 1 (aka id3v1)
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* @var array Audio tags ver. 1 (aka id3v1)
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* @var array
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*/
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*/
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public $tags1 = [];
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public $tags1 = [];
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/**
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/**
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* Audio tags ver. 2 (aka id3v2)
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* @var array Audio tags ver. 2 (aka id3v2)
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* @var array
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*/
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*/
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public $tags2 = [];
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public $tags2 = [];
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/**
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/**
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* Major version of id3v2 tag (if id3v2 present) (2 or 3 or 4)
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* @var int Major version of id3v2 tag (if id3v2 present) (2 or 3 or 4)
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* @var int
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*/
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*/
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public $id3v2MajorVersion;
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public $id3v2MajorVersion;
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/**
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/**
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* Minor version of id3v2 tag (if id3v2 present)
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* @var int Minor version of id3v2 tag (if id3v2 present)
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* @var int
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*/
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*/
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public $id3v2MinorVersion;
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public $id3v2MinorVersion;
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/**
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/**
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* List of id3v2 header flags (if id3v2 present)
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* @var array List of id3v2 header flags (if id3v2 present)
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* @var array
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*/
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*/
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public $id3v2Flags = [];
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public $id3v2Flags = [];
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/**
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/**
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* List of id3v2 tags flags (if id3v2 present)
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* @var array List of id3v2 tags flags (if id3v2 present)
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* @var array
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*/
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*/
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public $id3v2TagsFlags = [];
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public $id3v2TagsFlags = [];
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/**
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/**
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* Contains audio file name
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* @var string Contains audio file name
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* @var string
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*/
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*/
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public $_fileName;
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public $_fileName;
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/**
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/**
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* Contains file size
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* @var int Contains file size
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* @var int
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*/
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*/
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public $_fileSize;
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public $_fileSize;
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/**
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/**
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* Number of audio frames in file
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* @var int Number of audio frames in file
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* @var int
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*/
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*/
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public $_framesCount = 0;
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public $_framesCount = 0;
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/**
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/**
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* Contains time spent to read&extract audio information.
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* @var float Contains time spent to read&extract audio information.
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* @var float
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*/
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*/
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public $_parsingTime;
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public $_parsingTime;
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/**
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/**
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* Calculated frame size for Constant Bit Rate
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* @var int Calculated frame size for Constant Bit Rate
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* @var int
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*/
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*/
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private $_cbrFrameSize;
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private $_cbrFrameSize;
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@ -225,6 +219,22 @@ class Mp3Info {
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$this->audioSize = $this->parseAudio($this->_fileName = $filename, $this->_fileSize = filesize($filename), $mode);
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$this->audioSize = $this->parseAudio($this->_fileName = $filename, $this->_fileSize = filesize($filename), $mode);
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}
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}
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/**
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* @return bool|null
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*/
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public function getCover()
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{
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if (empty($this->coverProperties)) {
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return null;
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}
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$fp = fopen($this->_fileName, 'rb');
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fseek($fp, $this->coverProperties['offset']);
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$data = fread($fp, $this->coverProperties['size']);
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fclose($fp);
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return $data;
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}
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/**
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/**
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* Reads audio file in binary mode.
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* Reads audio file in binary mode.
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* mpeg audio file structure:
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* mpeg audio file structure:
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@ -274,7 +284,7 @@ class Mp3Info {
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if ($mode & self::META) {
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if ($mode & self::META) {
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if ($this->_id3Size !== null) fseek($fp, $this->_id3Size);
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if ($this->_id3Size !== null) fseek($fp, $this->_id3Size);
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/**
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/**
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* First frame can lie. Need to fix in future.
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* First frame can lie. Need to fix in the future.
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* @link https://github.com/wapmorgan/Mp3Info/issues/13#issuecomment-447470813
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* @link https://github.com/wapmorgan/Mp3Info/issues/13#issuecomment-447470813
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*/
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*/
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$framesCount = $this->readMpegFrame($fp);
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$framesCount = $this->readMpegFrame($fp);
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@ -292,9 +302,10 @@ class Mp3Info {
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// The faster way to detect audio duration:
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// The faster way to detect audio duration:
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$samples_in_second = $this->layerVersion == 1 ? self::LAYER_1_FRAME_SIZE : self::LAYERS_23_FRAME_SIZE;
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$samples_in_second = $this->layerVersion == 1 ? self::LAYER_1_FRAME_SIZE : self::LAYERS_23_FRAME_SIZE;
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// for VBR: adjust samples in second according to VBR quality
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// for VBR: adjust samples in second according to VBR quality
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if ($this->isVbr && isset($this->vbrProperties['quality'])) {
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// disabled for now
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$samples_in_second = floor($samples_in_second * $this->vbrProperties['quality'] / 100);
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// if ($this->isVbr && isset($this->vbrProperties['quality'])) {
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}
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// $samples_in_second = floor($samples_in_second * $this->vbrProperties['quality'] / 100);
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// }
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// Calculate total number of audio samples (framesCount * sampleInFrameCount) / samplesInSecondCount
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// Calculate total number of audio samples (framesCount * sampleInFrameCount) / samplesInSecondCount
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$this->duration = ($this->_framesCount - 1) * $samples_in_second / $this->sampleRate;
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$this->duration = ($this->_framesCount - 1) * $samples_in_second / $this->sampleRate;
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}
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}
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@ -535,7 +546,7 @@ class Mp3Info {
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* Parses id3v2.3.0 tag body.
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* Parses id3v2.3.0 tag body.
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* @todo Complete.
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* @todo Complete.
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*/
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*/
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private function parseId3v23Body($fp, $lastByte) {
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protected function parseId3v23Body($fp, $lastByte) {
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while (ftell($fp) < $lastByte) {
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while (ftell($fp) < $lastByte) {
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$raw = fread($fp, 10);
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$raw = fread($fp, 10);
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$frame_id = substr($raw, 0, 4);
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$frame_id = substr($raw, 0, 4);
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@ -571,41 +582,40 @@ class Mp3Info {
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case 'TRCK': # Track number/Position in set
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case 'TRCK': # Track number/Position in set
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case 'TIT2': # Title/songname/content description
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case 'TIT2': # Title/songname/content description
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case 'TPE1': # Lead performer(s)/Soloist(s)
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case 'TPE1': # Lead performer(s)/Soloist(s)
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case 'TBPM': # BPM (beats per minute)
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case 'TCOM': # Composer
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case 'TCOP': # Copyright message
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case 'TDAT': # Date
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case 'TDLY': # Playlist delay
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case 'TENC': # Encoded by
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case 'TEXT': # Lyricist/Text writer
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case 'TFLT': # File type
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case 'TIME': # Time
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case 'TIT1': # Content group description
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case 'TIT3': # Subtitle/Description refinement
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case 'TKEY': # Initial key
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case 'TLAN': # Language(s)
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case 'TLEN': # Length
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case 'TMED': # Media type
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case 'TOAL': # Original album/movie/show title
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case 'TOFN': # Original filename
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case 'TOLY': # Original lyricist(s)/text writer(s)
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case 'TOPE': # Original artist(s)/performer(s)
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case 'TORY': # Original release year
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case 'TOWN': # File owner/licensee
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case 'TPE2': # Band/orchestra/accompaniment
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case 'TPE3': # Conductor/performer refinement
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case 'TPE4': # Interpreted, remixed, or otherwise modified by
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case 'TPOS': # Part of a set
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case 'TPUB': # Publisher
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case 'TRDA': # Recording dates
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case 'TRSN': # Internet radio station name
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case 'TRSO': # Internet radio station owner
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case 'TSIZ': # Size
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case 'TSRC': # ISRC (international standard recording code)
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case 'TSSE': # Software/Hardware and settings used for encoding
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$this->tags2[$frame_id] = $this->handleTextFrame($frame_size, fread($fp, $frame_size));
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$this->tags2[$frame_id] = $this->handleTextFrame($frame_size, fread($fp, $frame_size));
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break;
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break;
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// case 'TBPM': # BPM (beats per minute)
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// case 'TCOM': # Composer
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// case 'TCOP': # Copyright message
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// case 'TDAT': # Date
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// case 'TDLY': # Playlist delay
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// case 'TENC': # Encoded by
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// case 'TEXT': # Lyricist/Text writer
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// case 'TFLT': # File type
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// case 'TIME': # Time
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// case 'TIT1': # Content group description
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// case 'TIT3': # Subtitle/Description refinement
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// case 'TKEY': # Initial key
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// case 'TLAN': # Language(s)
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// case 'TLEN': # Length
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// case 'TMED': # Media type
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// case 'TOAL': # Original album/movie/show title
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// case 'TOFN': # Original filename
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// case 'TOLY': # Original lyricist(s)/text writer(s)
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// case 'TOPE': # Original artist(s)/performer(s)
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// case 'TORY': # Original release year
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// case 'TOWN': # File owner/licensee
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// case 'TPE2': # Band/orchestra/accompaniment
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// case 'TPE3': # Conductor/performer refinement
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// case 'TPE4': # Interpreted, remixed, or otherwise modified by
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// case 'TPOS': # Part of a set
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// case 'TPUB': # Publisher
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// case 'TRDA': # Recording dates
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// case 'TRSN': # Internet radio station name
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// case 'TRSO': # Internet radio station owner
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// case 'TSIZ': # Size
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// case 'TSRC': # ISRC (international standard recording code)
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// case 'TSSE': # Software/Hardware and settings used for encoding
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################# Text information frames
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################# Text information frames
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################# URL link frames
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################# URL link frames
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@ -680,8 +690,18 @@ class Mp3Info {
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// break;
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// break;
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// case 'RVRB': # Reverb
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// case 'RVRB': # Reverb
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// break;
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// break;
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// case 'APIC': # Attached picture
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case 'APIC': # Attached picture
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// break;
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$this->hasCover = true;
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$last_byte = ftell($fp) + $frame_size;
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$this->coverProperties = ['text_encoding' => ord(fread($fp, 1))];
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// fseek($fp, $frame_size - 4, SEEK_CUR);
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$this->coverProperties['mime_type'] = $this->readTextUntilNull($fp, $last_byte);
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$this->coverProperties['picture_type'] = ord(fread($fp, 1));
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$this->coverProperties['description'] = $this->readTextUntilNull($fp, $last_byte);
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$this->coverProperties['offset'] = ftell($fp);
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$this->coverProperties['size'] = $last_byte - ftell($fp);
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fseek($fp, $last_byte);
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break;
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// case 'GEOB': # General encapsulated object
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// case 'GEOB': # General encapsulated object
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// break;
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// break;
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case 'PCNT': # Play counter
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case 'PCNT': # Play counter
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@ -761,40 +781,40 @@ class Mp3Info {
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case 'TRCK': # Track number/Position in set
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case 'TRCK': # Track number/Position in set
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case 'TIT2': # Title/songname/content description
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case 'TIT2': # Title/songname/content description
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case 'TPE1': # Lead performer(s)/Soloist(s)
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case 'TPE1': # Lead performer(s)/Soloist(s)
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case 'TBPM': # BPM (beats per minute)
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case 'TCOM': # Composer
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case 'TCOP': # Copyright message
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case 'TDAT': # Date
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case 'TDLY': # Playlist delay
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case 'TENC': # Encoded by
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case 'TEXT': # Lyricist/Text writer
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case 'TFLT': # File type
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case 'TIME': # Time
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case 'TIT1': # Content group description
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case 'TIT3': # Subtitle/Description refinement
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case 'TKEY': # Initial key
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case 'TLAN': # Language(s)
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case 'TLEN': # Length
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case 'TMED': # Media type
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case 'TOAL': # Original album/movie/show title
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case 'TOFN': # Original filename
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case 'TOLY': # Original lyricist(s)/text writer(s)
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case 'TOPE': # Original artist(s)/performer(s)
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case 'TORY': # Original release year
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case 'TOWN': # File owner/licensee
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case 'TPE2': # Band/orchestra/accompaniment
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||||||
|
case 'TPE3': # Conductor/performer refinement
|
||||||
|
case 'TPE4': # Interpreted, remixed, or otherwise modified by
|
||||||
|
case 'TPOS': # Part of a set
|
||||||
|
case 'TPUB': # Publisher
|
||||||
|
case 'TRDA': # Recording dates
|
||||||
|
case 'TRSN': # Internet radio station name
|
||||||
|
case 'TRSO': # Internet radio station owner
|
||||||
|
case 'TSIZ': # Size
|
||||||
|
case 'TSRC': # ISRC (international standard recording code)
|
||||||
|
case 'TSSE': # Software/Hardware and settings used for encoding
|
||||||
$this->tags2[$frame_id] = $this->handleTextFrame($frame_size, fread($fp, $frame_size));
|
$this->tags2[$frame_id] = $this->handleTextFrame($frame_size, fread($fp, $frame_size));
|
||||||
break;
|
break;
|
||||||
// case 'TBPM': # BPM (beats per minute)
|
|
||||||
// case 'TCOM': # Composer
|
|
||||||
// case 'TCOP': # Copyright message
|
|
||||||
// case 'TDAT': # Date
|
|
||||||
// case 'TDLY': # Playlist delay
|
|
||||||
// case 'TENC': # Encoded by
|
|
||||||
// case 'TEXT': # Lyricist/Text writer
|
|
||||||
// case 'TFLT': # File type
|
|
||||||
// case 'TIME': # Time
|
|
||||||
// case 'TIT1': # Content group description
|
|
||||||
// case 'TIT3': # Subtitle/Description refinement
|
|
||||||
// case 'TKEY': # Initial key
|
|
||||||
// case 'TLAN': # Language(s)
|
|
||||||
// case 'TLEN': # Length
|
|
||||||
// case 'TMED': # Media type
|
|
||||||
// case 'TOAL': # Original album/movie/show title
|
|
||||||
// case 'TOFN': # Original filename
|
|
||||||
// case 'TOLY': # Original lyricist(s)/text writer(s)
|
|
||||||
// case 'TOPE': # Original artist(s)/performer(s)
|
|
||||||
// case 'TORY': # Original release year
|
|
||||||
// case 'TOWN': # File owner/licensee
|
|
||||||
// case 'TPE2': # Band/orchestra/accompaniment
|
|
||||||
// case 'TPE3': # Conductor/performer refinement
|
|
||||||
// case 'TPE4': # Interpreted, remixed, or otherwise modified by
|
|
||||||
// case 'TPOS': # Part of a set
|
|
||||||
// case 'TPUB': # Publisher
|
|
||||||
// case 'TRDA': # Recording dates
|
|
||||||
// case 'TRSN': # Internet radio station name
|
|
||||||
// case 'TRSO': # Internet radio station owner
|
|
||||||
// case 'TSIZ': # Size
|
|
||||||
// case 'TSRC': # ISRC (international standard recording code)
|
|
||||||
// case 'TSSE': # Software/Hardware and settings used for encoding
|
|
||||||
|
|
||||||
################# Text information frames
|
################# Text information frames
|
||||||
|
|
||||||
@ -870,8 +890,18 @@ class Mp3Info {
|
|||||||
// break;
|
// break;
|
||||||
// case 'RVRB': # Reverb
|
// case 'RVRB': # Reverb
|
||||||
// break;
|
// break;
|
||||||
// case 'APIC': # Attached picture
|
case 'APIC': # Attached picture
|
||||||
// break;
|
$this->hasCover = true;
|
||||||
|
$last_byte = ftell($fp) + $frame_size;
|
||||||
|
$this->coverProperties = ['text_encoding' => ord(fread($fp, 1))];
|
||||||
|
// fseek($fp, $frame_size - 4, SEEK_CUR);
|
||||||
|
$this->coverProperties['mime_type'] = $this->readTextUntilNull($fp, $last_byte);
|
||||||
|
$this->coverProperties['picture_type'] = ord(fread($fp, 1));
|
||||||
|
$this->coverProperties['description'] = $this->readTextUntilNull($fp, $last_byte);
|
||||||
|
$this->coverProperties['offset'] = ftell($fp);
|
||||||
|
$this->coverProperties['size'] = $last_byte - ftell($fp);
|
||||||
|
fseek($fp, $last_byte);
|
||||||
|
break;
|
||||||
// case 'GEOB': # General encapsulated object
|
// case 'GEOB': # General encapsulated object
|
||||||
// break;
|
// break;
|
||||||
case 'PCNT': # Play counter
|
case 'PCNT': # Play counter
|
||||||
@ -958,6 +988,24 @@ class Mp3Info {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param resource $fp
|
||||||
|
* @param int $dataEnd
|
||||||
|
* @return string|null
|
||||||
|
*/
|
||||||
|
private function readTextUntilNull($fp, $dataEnd)
|
||||||
|
{
|
||||||
|
$text = null;
|
||||||
|
while (ftell($fp) < $dataEnd) {
|
||||||
|
$char = fgetc($fp);
|
||||||
|
if ($char === "\00") {
|
||||||
|
return $text;
|
||||||
|
}
|
||||||
|
$text .= $char;
|
||||||
|
}
|
||||||
|
return $text;
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Fills `tags` property with values id3v2 and id3v1 tags.
|
* Fills `tags` property with values id3v2 and id3v1 tags.
|
||||||
*/
|
*/
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user