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-rw-r--r--srcs/wordpress/wp-includes/ID3/module.audio.ogg.php918
1 files changed, 0 insertions, 918 deletions
diff --git a/srcs/wordpress/wp-includes/ID3/module.audio.ogg.php b/srcs/wordpress/wp-includes/ID3/module.audio.ogg.php
deleted file mode 100644
index 51fee3e..0000000
--- a/srcs/wordpress/wp-includes/ID3/module.audio.ogg.php
+++ /dev/null
@@ -1,918 +0,0 @@
-<?php
-
-/////////////////////////////////////////////////////////////////
-/// getID3() by James Heinrich <info@getid3.org> //
-// available at https://github.com/JamesHeinrich/getID3 //
-// or https://www.getid3.org //
-// or http://getid3.sourceforge.net //
-// see readme.txt for more details //
-/////////////////////////////////////////////////////////////////
-// //
-// module.audio.ogg.php //
-// module for analyzing Ogg Vorbis, OggFLAC and Speex files //
-// dependencies: module.audio.flac.php //
-// ///
-/////////////////////////////////////////////////////////////////
-
-getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.flac.php', __FILE__, true);
-
-class getid3_ogg extends getid3_handler
-{
- /**
- * @link http://xiph.org/vorbis/doc/Vorbis_I_spec.html
- *
- * @return bool
- */
- public function Analyze() {
- $info = &$this->getid3->info;
-
- $info['fileformat'] = 'ogg';
-
- // Warn about illegal tags - only vorbiscomments are allowed
- if (isset($info['id3v2'])) {
- $this->warning('Illegal ID3v2 tag present.');
- }
- if (isset($info['id3v1'])) {
- $this->warning('Illegal ID3v1 tag present.');
- }
- if (isset($info['ape'])) {
- $this->warning('Illegal APE tag present.');
- }
-
-
- // Page 1 - Stream Header
-
- $this->fseek($info['avdataoffset']);
-
- $oggpageinfo = $this->ParseOggPageHeader();
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
-
- if ($this->ftell() >= $this->getid3->fread_buffer_size()) {
- $this->error('Could not find start of Ogg page in the first '.$this->getid3->fread_buffer_size().' bytes (this might not be an Ogg-Vorbis file?)');
- unset($info['fileformat']);
- unset($info['ogg']);
- return false;
- }
-
- $filedata = $this->fread($oggpageinfo['page_length']);
- $filedataoffset = 0;
-
- if (substr($filedata, 0, 4) == 'fLaC') {
-
- $info['audio']['dataformat'] = 'flac';
- $info['audio']['bitrate_mode'] = 'vbr';
- $info['audio']['lossless'] = true;
-
- } elseif (substr($filedata, 1, 6) == 'vorbis') {
-
- $this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo);
-
- } elseif (substr($filedata, 0, 8) == 'OpusHead') {
-
- if ($this->ParseOpusPageHeader($filedata, $filedataoffset, $oggpageinfo) === false) {
- return false;
- }
-
- } elseif (substr($filedata, 0, 8) == 'Speex ') {
-
- // http://www.speex.org/manual/node10.html
-
- $info['audio']['dataformat'] = 'speex';
- $info['mime_type'] = 'audio/speex';
- $info['audio']['bitrate_mode'] = 'abr';
- $info['audio']['lossless'] = false;
-
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_string'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'Speex '
- $filedataoffset += 8;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version'] = substr($filedata, $filedataoffset, 20);
- $filedataoffset += 20;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version_id'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['header_size'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode_bitstream_version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['bitrate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['framesize'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['frames_per_packet'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['extra_headers'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved1'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved2'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
-
- $info['speex']['speex_version'] = trim($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version']);
- $info['speex']['sample_rate'] = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate'];
- $info['speex']['channels'] = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels'];
- $info['speex']['vbr'] = (bool) $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr'];
- $info['speex']['band_type'] = $this->SpeexBandModeLookup($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode']);
-
- $info['audio']['sample_rate'] = $info['speex']['sample_rate'];
- $info['audio']['channels'] = $info['speex']['channels'];
- if ($info['speex']['vbr']) {
- $info['audio']['bitrate_mode'] = 'vbr';
- }
-
- } elseif (substr($filedata, 0, 7) == "\x80".'theora') {
-
- // http://www.theora.org/doc/Theora.pdf (section 6.2)
-
- $info['ogg']['pageheader']['theora']['theora_magic'] = substr($filedata, $filedataoffset, 7); // hard-coded to "\x80.'theora'
- $filedataoffset += 7;
- $info['ogg']['pageheader']['theora']['version_major'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader']['theora']['version_minor'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader']['theora']['version_revision'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader']['theora']['frame_width_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
- $filedataoffset += 2;
- $info['ogg']['pageheader']['theora']['frame_height_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
- $filedataoffset += 2;
- $info['ogg']['pageheader']['theora']['resolution_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
- $filedataoffset += 3;
- $info['ogg']['pageheader']['theora']['resolution_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
- $filedataoffset += 3;
- $info['ogg']['pageheader']['theora']['picture_offset_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader']['theora']['picture_offset_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader']['theora']['frame_rate_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader']['theora']['frame_rate_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
- $filedataoffset += 3;
- $info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
- $filedataoffset += 3;
- $info['ogg']['pageheader']['theora']['color_space_id'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader']['theora']['nominal_bitrate'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
- $filedataoffset += 3;
- $info['ogg']['pageheader']['theora']['flags'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
- $filedataoffset += 2;
-
- $info['ogg']['pageheader']['theora']['quality'] = ($info['ogg']['pageheader']['theora']['flags'] & 0xFC00) >> 10;
- $info['ogg']['pageheader']['theora']['kfg_shift'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x03E0) >> 5;
- $info['ogg']['pageheader']['theora']['pixel_format_id'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0018) >> 3;
- $info['ogg']['pageheader']['theora']['reserved'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0007) >> 0; // should be 0
- $info['ogg']['pageheader']['theora']['color_space'] = self::TheoraColorSpace($info['ogg']['pageheader']['theora']['color_space_id']);
- $info['ogg']['pageheader']['theora']['pixel_format'] = self::TheoraPixelFormat($info['ogg']['pageheader']['theora']['pixel_format_id']);
-
- $info['video']['dataformat'] = 'theora';
- $info['mime_type'] = 'video/ogg';
- //$info['audio']['bitrate_mode'] = 'abr';
- //$info['audio']['lossless'] = false;
- $info['video']['resolution_x'] = $info['ogg']['pageheader']['theora']['resolution_x'];
- $info['video']['resolution_y'] = $info['ogg']['pageheader']['theora']['resolution_y'];
- if ($info['ogg']['pageheader']['theora']['frame_rate_denominator'] > 0) {
- $info['video']['frame_rate'] = (float) $info['ogg']['pageheader']['theora']['frame_rate_numerator'] / $info['ogg']['pageheader']['theora']['frame_rate_denominator'];
- }
- if ($info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] > 0) {
- $info['video']['pixel_aspect_ratio'] = (float) $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] / $info['ogg']['pageheader']['theora']['pixel_aspect_denominator'];
- }
- $this->warning('Ogg Theora (v3) not fully supported in this version of getID3 ['.$this->getid3->version().'] -- bitrate, playtime and all audio data are currently unavailable');
-
-
- } elseif (substr($filedata, 0, 8) == "fishead\x00") {
-
- // Ogg Skeleton version 3.0 Format Specification
- // http://xiph.org/ogg/doc/skeleton.html
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fishead']['raw']['version_major'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
- $filedataoffset += 2;
- $info['ogg']['skeleton']['fishead']['raw']['version_minor'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
- $filedataoffset += 2;
- $info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fishead']['raw']['basetime_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fishead']['raw']['basetime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fishead']['raw']['utc'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 20));
- $filedataoffset += 20;
-
- $info['ogg']['skeleton']['fishead']['version'] = $info['ogg']['skeleton']['fishead']['raw']['version_major'].'.'.$info['ogg']['skeleton']['fishead']['raw']['version_minor'];
- $info['ogg']['skeleton']['fishead']['presentationtime'] = $info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'] / $info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator'];
- $info['ogg']['skeleton']['fishead']['basetime'] = $info['ogg']['skeleton']['fishead']['raw']['basetime_numerator'] / $info['ogg']['skeleton']['fishead']['raw']['basetime_denominator'];
- $info['ogg']['skeleton']['fishead']['utc'] = $info['ogg']['skeleton']['fishead']['raw']['utc'];
-
-
- $counter = 0;
- do {
- $oggpageinfo = $this->ParseOggPageHeader();
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno'].'.'.$counter++] = $oggpageinfo;
- $filedata = $this->fread($oggpageinfo['page_length']);
- $this->fseek($oggpageinfo['page_end_offset']);
-
- if (substr($filedata, 0, 8) == "fisbone\x00") {
-
- $filedataoffset = 8;
- $info['ogg']['skeleton']['fisbone']['raw']['message_header_offset'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['skeleton']['fisbone']['raw']['serial_number'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['skeleton']['fisbone']['raw']['number_header_packets'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['skeleton']['fisbone']['raw']['granulerate_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fisbone']['raw']['granulerate_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fisbone']['raw']['basegranule'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $info['ogg']['skeleton']['fisbone']['raw']['preroll'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['skeleton']['fisbone']['raw']['granuleshift'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['skeleton']['fisbone']['raw']['padding'] = substr($filedata, $filedataoffset, 3);
- $filedataoffset += 3;
-
- } elseif (substr($filedata, 1, 6) == 'theora') {
-
- $info['video']['dataformat'] = 'theora1';
- $this->error('Ogg Theora (v1) not correctly handled in this version of getID3 ['.$this->getid3->version().']');
- //break;
-
- } elseif (substr($filedata, 1, 6) == 'vorbis') {
-
- $this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo);
-
- } else {
- $this->error('unexpected');
- //break;
- }
- //} while ($oggpageinfo['page_seqno'] == 0);
- } while (($oggpageinfo['page_seqno'] == 0) && (substr($filedata, 0, 8) != "fisbone\x00"));
-
- $this->fseek($oggpageinfo['page_start_offset']);
-
- $this->error('Ogg Skeleton not correctly handled in this version of getID3 ['.$this->getid3->version().']');
- //return false;
-
- } elseif (substr($filedata, 0, 5) == "\x7F".'FLAC') {
- // https://xiph.org/flac/ogg_mapping.html
-
- $info['audio']['dataformat'] = 'flac';
- $info['audio']['bitrate_mode'] = 'vbr';
- $info['audio']['lossless'] = true;
-
- $info['ogg']['flac']['header']['version_major'] = ord(substr($filedata, 5, 1));
- $info['ogg']['flac']['header']['version_minor'] = ord(substr($filedata, 6, 1));
- $info['ogg']['flac']['header']['header_packets'] = getid3_lib::BigEndian2Int(substr($filedata, 7, 2)) + 1; // "A two-byte, big-endian binary number signifying the number of header (non-audio) packets, not including this one. This number may be zero (0x0000) to signify 'unknown' but be aware that some decoders may not be able to handle such streams."
- $info['ogg']['flac']['header']['magic'] = substr($filedata, 9, 4);
- if ($info['ogg']['flac']['header']['magic'] != 'fLaC') {
- $this->error('Ogg-FLAC expecting "fLaC", found "'.$info['ogg']['flac']['header']['magic'].'" ('.trim(getid3_lib::PrintHexBytes($info['ogg']['flac']['header']['magic'])).')');
- return false;
- }
- $info['ogg']['flac']['header']['STREAMINFO_bytes'] = getid3_lib::BigEndian2Int(substr($filedata, 13, 4));
- $info['flac']['STREAMINFO'] = getid3_flac::parseSTREAMINFOdata(substr($filedata, 17, 34));
- if (!empty($info['flac']['STREAMINFO']['sample_rate'])) {
- $info['audio']['bitrate_mode'] = 'vbr';
- $info['audio']['sample_rate'] = $info['flac']['STREAMINFO']['sample_rate'];
- $info['audio']['channels'] = $info['flac']['STREAMINFO']['channels'];
- $info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
- $info['playtime_seconds'] = $info['flac']['STREAMINFO']['samples_stream'] / $info['flac']['STREAMINFO']['sample_rate'];
- }
-
- } else {
-
- $this->error('Expecting one of "vorbis", "Speex", "OpusHead", "vorbis", "fishhead", "theora", "fLaC" identifier strings, found "'.substr($filedata, 0, 8).'"');
- unset($info['ogg']);
- unset($info['mime_type']);
- return false;
-
- }
-
- // Page 2 - Comment Header
- $oggpageinfo = $this->ParseOggPageHeader();
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
-
- switch ($info['audio']['dataformat']) {
- case 'vorbis':
- $filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, 0, 1));
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 1, 6); // hard-coded to 'vorbis'
-
- $this->ParseVorbisComments();
- break;
-
- case 'flac':
- $flac = new getid3_flac($this->getid3);
- if (!$flac->parseMETAdata()) {
- $this->error('Failed to parse FLAC headers');
- return false;
- }
- unset($flac);
- break;
-
- case 'speex':
- $this->fseek($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length'], SEEK_CUR);
- $this->ParseVorbisComments();
- break;
-
- case 'opus':
- $filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 0, 8); // hard-coded to 'OpusTags'
- if(substr($filedata, 0, 8) != 'OpusTags') {
- $this->error('Expected "OpusTags" as header but got "'.substr($filedata, 0, 8).'"');
- return false;
- }
-
- $this->ParseVorbisComments();
- break;
-
- }
-
- // Last Page - Number of Samples
- if (!getid3_lib::intValueSupported($info['avdataend'])) {
-
- $this->warning('Unable to parse Ogg end chunk file (PHP does not support file operations beyond '.round(PHP_INT_MAX / 1073741824).'GB)');
-
- } else {
-
- $this->fseek(max($info['avdataend'] - $this->getid3->fread_buffer_size(), 0));
- $LastChunkOfOgg = strrev($this->fread($this->getid3->fread_buffer_size()));
- if ($LastOggSpostion = strpos($LastChunkOfOgg, 'SggO')) {
- $this->fseek($info['avdataend'] - ($LastOggSpostion + strlen('SggO')));
- $info['avdataend'] = $this->ftell();
- $info['ogg']['pageheader']['eos'] = $this->ParseOggPageHeader();
- $info['ogg']['samples'] = $info['ogg']['pageheader']['eos']['pcm_abs_position'];
- if ($info['ogg']['samples'] == 0) {
- $this->error('Corrupt Ogg file: eos.number of samples == zero');
- return false;
- }
- if (!empty($info['audio']['sample_rate'])) {
- $info['ogg']['bitrate_average'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / ($info['ogg']['samples'] / $info['audio']['sample_rate']);
- }
- }
-
- }
-
- if (!empty($info['ogg']['bitrate_average'])) {
- $info['audio']['bitrate'] = $info['ogg']['bitrate_average'];
- } elseif (!empty($info['ogg']['bitrate_nominal'])) {
- $info['audio']['bitrate'] = $info['ogg']['bitrate_nominal'];
- } elseif (!empty($info['ogg']['bitrate_min']) && !empty($info['ogg']['bitrate_max'])) {
- $info['audio']['bitrate'] = ($info['ogg']['bitrate_min'] + $info['ogg']['bitrate_max']) / 2;
- }
- if (isset($info['audio']['bitrate']) && !isset($info['playtime_seconds'])) {
- if ($info['audio']['bitrate'] == 0) {
- $this->error('Corrupt Ogg file: bitrate_audio == zero');
- return false;
- }
- $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $info['audio']['bitrate']);
- }
-
- if (isset($info['ogg']['vendor'])) {
- $info['audio']['encoder'] = preg_replace('/^Encoded with /', '', $info['ogg']['vendor']);
-
- // Vorbis only
- if ($info['audio']['dataformat'] == 'vorbis') {
-
- // Vorbis 1.0 starts with Xiph.Org
- if (preg_match('/^Xiph.Org/', $info['audio']['encoder'])) {
-
- if ($info['audio']['bitrate_mode'] == 'abr') {
-
- // Set -b 128 on abr files
- $info['audio']['encoder_options'] = '-b '.round($info['ogg']['bitrate_nominal'] / 1000);
-
- } elseif (($info['audio']['bitrate_mode'] == 'vbr') && ($info['audio']['channels'] == 2) && ($info['audio']['sample_rate'] >= 44100) && ($info['audio']['sample_rate'] <= 48000)) {
- // Set -q N on vbr files
- $info['audio']['encoder_options'] = '-q '.$this->get_quality_from_nominal_bitrate($info['ogg']['bitrate_nominal']);
-
- }
- }
-
- if (empty($info['audio']['encoder_options']) && !empty($info['ogg']['bitrate_nominal'])) {
- $info['audio']['encoder_options'] = 'Nominal bitrate: '.intval(round($info['ogg']['bitrate_nominal'] / 1000)).'kbps';
- }
- }
- }
-
- return true;
- }
-
- /**
- * @param string $filedata
- * @param int $filedataoffset
- * @param array $oggpageinfo
- *
- * @return bool
- */
- public function ParseVorbisPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) {
- $info = &$this->getid3->info;
- $info['audio']['dataformat'] = 'vorbis';
- $info['audio']['lossless'] = false;
-
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, $filedataoffset, 6); // hard-coded to 'vorbis'
- $filedataoffset += 6;
- $info['ogg']['bitstreamversion'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['numberofchannels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $info['audio']['channels'] = $info['ogg']['numberofchannels'];
- $info['ogg']['samplerate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- if ($info['ogg']['samplerate'] == 0) {
- $this->error('Corrupt Ogg file: sample rate == zero');
- return false;
- }
- $info['audio']['sample_rate'] = $info['ogg']['samplerate'];
- $info['ogg']['samples'] = 0; // filled in later
- $info['ogg']['bitrate_average'] = 0; // filled in later
- $info['ogg']['bitrate_max'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['bitrate_nominal'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['bitrate_min'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $info['ogg']['blocksize_small'] = pow(2, getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0x0F);
- $info['ogg']['blocksize_large'] = pow(2, (getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0xF0) >> 4);
- $info['ogg']['stop_bit'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); // must be 1, marks end of packet
-
- $info['audio']['bitrate_mode'] = 'vbr'; // overridden if actually abr
- if ($info['ogg']['bitrate_max'] == 0xFFFFFFFF) {
- unset($info['ogg']['bitrate_max']);
- $info['audio']['bitrate_mode'] = 'abr';
- }
- if ($info['ogg']['bitrate_nominal'] == 0xFFFFFFFF) {
- unset($info['ogg']['bitrate_nominal']);
- }
- if ($info['ogg']['bitrate_min'] == 0xFFFFFFFF) {
- unset($info['ogg']['bitrate_min']);
- $info['audio']['bitrate_mode'] = 'abr';
- }
- return true;
- }
-
- /**
- * @link http://tools.ietf.org/html/draft-ietf-codec-oggopus-03
- *
- * @param string $filedata
- * @param int $filedataoffset
- * @param array $oggpageinfo
- *
- * @return bool
- */
- public function ParseOpusPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) {
- $info = &$this->getid3->info;
- $info['audio']['dataformat'] = 'opus';
- $info['mime_type'] = 'audio/ogg; codecs=opus';
-
- /** @todo find a usable way to detect abr (vbr that is padded to be abr) */
- $info['audio']['bitrate_mode'] = 'vbr';
-
- $info['audio']['lossless'] = false;
-
- $info['ogg']['pageheader']['opus']['opus_magic'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'OpusHead'
- $filedataoffset += 8;
- $info['ogg']['pageheader']['opus']['version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
-
- if ($info['ogg']['pageheader']['opus']['version'] < 1 || $info['ogg']['pageheader']['opus']['version'] > 15) {
- $this->error('Unknown opus version number (only accepting 1-15)');
- return false;
- }
-
- $info['ogg']['pageheader']['opus']['out_channel_count'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
-
- if ($info['ogg']['pageheader']['opus']['out_channel_count'] == 0) {
- $this->error('Invalid channel count in opus header (must not be zero)');
- return false;
- }
-
- $info['ogg']['pageheader']['opus']['pre_skip'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
- $filedataoffset += 2;
-
- $info['ogg']['pageheader']['opus']['input_sample_rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
-
- //$info['ogg']['pageheader']['opus']['output_gain'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
- //$filedataoffset += 2;
-
- //$info['ogg']['pageheader']['opus']['channel_mapping_family'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- //$filedataoffset += 1;
-
- $info['opus']['opus_version'] = $info['ogg']['pageheader']['opus']['version'];
- $info['opus']['sample_rate_input'] = $info['ogg']['pageheader']['opus']['input_sample_rate'];
- $info['opus']['out_channel_count'] = $info['ogg']['pageheader']['opus']['out_channel_count'];
-
- $info['audio']['channels'] = $info['opus']['out_channel_count'];
- $info['audio']['sample_rate_input'] = $info['opus']['sample_rate_input'];
- $info['audio']['sample_rate'] = 48000; // "All Opus audio is coded at 48 kHz, and should also be decoded at 48 kHz for playback (unless the target hardware does not support this sampling rate). However, this field may be used to resample the audio back to the original sampling rate, for example, when saving the output to a file." -- https://mf4.xiph.org/jenkins/view/opus/job/opusfile-unix/ws/doc/html/structOpusHead.html
- return true;
- }
-
- /**
- * @return array|false
- */
- public function ParseOggPageHeader() {
- // http://xiph.org/ogg/vorbis/doc/framing.html
- $oggheader['page_start_offset'] = $this->ftell(); // where we started from in the file
-
- $filedata = $this->fread($this->getid3->fread_buffer_size());
- $filedataoffset = 0;
- while ((substr($filedata, $filedataoffset++, 4) != 'OggS')) {
- if (($this->ftell() - $oggheader['page_start_offset']) >= $this->getid3->fread_buffer_size()) {
- // should be found before here
- return false;
- }
- if ((($filedataoffset + 28) > strlen($filedata)) || (strlen($filedata) < 28)) {
- if ($this->feof() || (($filedata .= $this->fread($this->getid3->fread_buffer_size())) === '')) {
- // get some more data, unless eof, in which case fail
- return false;
- }
- }
- }
- $filedataoffset += strlen('OggS') - 1; // page, delimited by 'OggS'
-
- $oggheader['stream_structver'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $oggheader['flags_raw'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $oggheader['flags']['fresh'] = (bool) ($oggheader['flags_raw'] & 0x01); // fresh packet
- $oggheader['flags']['bos'] = (bool) ($oggheader['flags_raw'] & 0x02); // first page of logical bitstream (bos)
- $oggheader['flags']['eos'] = (bool) ($oggheader['flags_raw'] & 0x04); // last page of logical bitstream (eos)
-
- $oggheader['pcm_abs_position'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
- $filedataoffset += 8;
- $oggheader['stream_serialno'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $oggheader['page_seqno'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $oggheader['page_checksum'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
- $filedataoffset += 4;
- $oggheader['page_segments'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $oggheader['page_length'] = 0;
- for ($i = 0; $i < $oggheader['page_segments']; $i++) {
- $oggheader['segment_table'][$i] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
- $filedataoffset += 1;
- $oggheader['page_length'] += $oggheader['segment_table'][$i];
- }
- $oggheader['header_end_offset'] = $oggheader['page_start_offset'] + $filedataoffset;
- $oggheader['page_end_offset'] = $oggheader['header_end_offset'] + $oggheader['page_length'];
- $this->fseek($oggheader['header_end_offset']);
-
- return $oggheader;
- }
-
- /**
- * @link http://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-810005
- *
- * @return bool
- */
- public function ParseVorbisComments() {
- $info = &$this->getid3->info;
-
- $OriginalOffset = $this->ftell();
- $commentdata = null;
- $commentdataoffset = 0;
- $VorbisCommentPage = 1;
- $CommentStartOffset = 0;
-
- switch ($info['audio']['dataformat']) {
- case 'vorbis':
- case 'speex':
- case 'opus':
- $CommentStartOffset = $info['ogg']['pageheader'][$VorbisCommentPage]['page_start_offset']; // Second Ogg page, after header block
- $this->fseek($CommentStartOffset);
- $commentdataoffset = 27 + $info['ogg']['pageheader'][$VorbisCommentPage]['page_segments'];
- $commentdata = $this->fread(self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1) + $commentdataoffset);
-
- if ($info['audio']['dataformat'] == 'vorbis') {
- $commentdataoffset += (strlen('vorbis') + 1);
- }
- else if ($info['audio']['dataformat'] == 'opus') {
- $commentdataoffset += strlen('OpusTags');
- }
-
- break;
-
- case 'flac':
- $CommentStartOffset = $info['flac']['VORBIS_COMMENT']['raw']['offset'] + 4;
- $this->fseek($CommentStartOffset);
- $commentdata = $this->fread($info['flac']['VORBIS_COMMENT']['raw']['block_length']);
- break;
-
- default:
- return false;
- break;
- }
-
- $VendorSize = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
- $commentdataoffset += 4;
-
- $info['ogg']['vendor'] = substr($commentdata, $commentdataoffset, $VendorSize);
- $commentdataoffset += $VendorSize;
-
- $CommentsCount = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
- $commentdataoffset += 4;
- $info['avdataoffset'] = $CommentStartOffset + $commentdataoffset;
-
- $basicfields = array('TITLE', 'ARTIST', 'ALBUM', 'TRACKNUMBER', 'GENRE', 'DATE', 'DESCRIPTION', 'COMMENT');
- $ThisFileInfo_ogg_comments_raw = &$info['ogg']['comments_raw'];
- for ($i = 0; $i < $CommentsCount; $i++) {
-
- if ($i >= 10000) {
- // https://github.com/owncloud/music/issues/212#issuecomment-43082336
- $this->warning('Unexpectedly large number ('.$CommentsCount.') of Ogg comments - breaking after reading '.$i.' comments');
- break;
- }
-
- $ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] = $CommentStartOffset + $commentdataoffset;
-
- if ($this->ftell() < ($ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + 4)) {
- if ($oggpageinfo = $this->ParseOggPageHeader()) {
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
-
- $VorbisCommentPage++;
-
- // First, save what we haven't read yet
- $AsYetUnusedData = substr($commentdata, $commentdataoffset);
-
- // Then take that data off the end
- $commentdata = substr($commentdata, 0, $commentdataoffset);
-
- // Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct
- $commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
- $commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
-
- // Finally, stick the unused data back on the end
- $commentdata .= $AsYetUnusedData;
-
- //$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
- $commentdata .= $this->fread($this->OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1));
- }
-
- }
- $ThisFileInfo_ogg_comments_raw[$i]['size'] = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
-
- // replace avdataoffset with position just after the last vorbiscomment
- $info['avdataoffset'] = $ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + $ThisFileInfo_ogg_comments_raw[$i]['size'] + 4;
-
- $commentdataoffset += 4;
- while ((strlen($commentdata) - $commentdataoffset) < $ThisFileInfo_ogg_comments_raw[$i]['size']) {
- if (($ThisFileInfo_ogg_comments_raw[$i]['size'] > $info['avdataend']) || ($ThisFileInfo_ogg_comments_raw[$i]['size'] < 0)) {
- $this->warning('Invalid Ogg comment size (comment #'.$i.', claims to be '.number_format($ThisFileInfo_ogg_comments_raw[$i]['size']).' bytes) - aborting reading comments');
- break 2;
- }
-
- $VorbisCommentPage++;
-
- $oggpageinfo = $this->ParseOggPageHeader();
- $info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
-
- // First, save what we haven't read yet
- $AsYetUnusedData = substr($commentdata, $commentdataoffset);
-
- // Then take that data off the end
- $commentdata = substr($commentdata, 0, $commentdataoffset);
-
- // Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct
- $commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
- $commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
-
- // Finally, stick the unused data back on the end
- $commentdata .= $AsYetUnusedData;
-
- //$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
- if (!isset($info['ogg']['pageheader'][$VorbisCommentPage])) {
- $this->warning('undefined Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell());
- break;
- }
- $readlength = self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1);
- if ($readlength <= 0) {
- $this->warning('invalid length Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell());
- break;
- }
- $commentdata .= $this->fread($readlength);
-
- //$filebaseoffset += $oggpageinfo['header_end_offset'] - $oggpageinfo['page_start_offset'];
- }
- $ThisFileInfo_ogg_comments_raw[$i]['offset'] = $commentdataoffset;
- $commentstring = substr($commentdata, $commentdataoffset, $ThisFileInfo_ogg_comments_raw[$i]['size']);
- $commentdataoffset += $ThisFileInfo_ogg_comments_raw[$i]['size'];
-
- if (!$commentstring) {
-
- // no comment?
- $this->warning('Blank Ogg comment ['.$i.']');
-
- } elseif (strstr($commentstring, '=')) {
-
- $commentexploded = explode('=', $commentstring, 2);
- $ThisFileInfo_ogg_comments_raw[$i]['key'] = strtoupper($commentexploded[0]);
- $ThisFileInfo_ogg_comments_raw[$i]['value'] = (isset($commentexploded[1]) ? $commentexploded[1] : '');
-
- if ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'METADATA_BLOCK_PICTURE') {
-
- // http://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
- // The unencoded format is that of the FLAC picture block. The fields are stored in big endian order as in FLAC, picture data is stored according to the relevant standard.
- // http://flac.sourceforge.net/format.html#metadata_block_picture
- $flac = new getid3_flac($this->getid3);
- $flac->setStringMode(base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']));
- $flac->parsePICTURE();
- $info['ogg']['comments']['picture'][] = $flac->getid3->info['flac']['PICTURE'][0];
- unset($flac);
-
- } elseif ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'COVERART') {
-
- $data = base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']);
- $this->notice('Found deprecated COVERART tag, it should be replaced in honor of METADATA_BLOCK_PICTURE structure');
- /** @todo use 'coverartmime' where available */
- $imageinfo = getid3_lib::GetDataImageSize($data);
- if ($imageinfo === false || !isset($imageinfo['mime'])) {
- $this->warning('COVERART vorbiscomment tag contains invalid image');
- continue;
- }
-
- $ogg = new self($this->getid3);
- $ogg->setStringMode($data);
- $info['ogg']['comments']['picture'][] = array(
- 'image_mime' => $imageinfo['mime'],
- 'datalength' => strlen($data),
- 'picturetype' => 'cover art',
- 'image_height' => $imageinfo['height'],
- 'image_width' => $imageinfo['width'],
- 'data' => $ogg->saveAttachment('coverart', 0, strlen($data), $imageinfo['mime']),
- );
- unset($ogg);
-
- } else {
-
- $info['ogg']['comments'][strtolower($ThisFileInfo_ogg_comments_raw[$i]['key'])][] = $ThisFileInfo_ogg_comments_raw[$i]['value'];
-
- }
-
- } else {
-
- $this->warning('[known problem with CDex >= v1.40, < v1.50b7] Invalid Ogg comment name/value pair ['.$i.']: '.$commentstring);
-
- }
- unset($ThisFileInfo_ogg_comments_raw[$i]);
- }
- unset($ThisFileInfo_ogg_comments_raw);
-
-
- // Replay Gain Adjustment
- // http://privatewww.essex.ac.uk/~djmrob/replaygain/
- if (isset($info['ogg']['comments']) && is_array($info['ogg']['comments'])) {
- foreach ($info['ogg']['comments'] as $index => $commentvalue) {
- switch ($index) {
- case 'rg_audiophile':
- case 'replaygain_album_gain':
- $info['replay_gain']['album']['adjustment'] = (double) $commentvalue[0];
- unset($info['ogg']['comments'][$index]);
- break;
-
- case 'rg_radio':
- case 'replaygain_track_gain':
- $info['replay_gain']['track']['adjustment'] = (double) $commentvalue[0];
- unset($info['ogg']['comments'][$index]);
- break;
-
- case 'replaygain_album_peak':
- $info['replay_gain']['album']['peak'] = (double) $commentvalue[0];
- unset($info['ogg']['comments'][$index]);
- break;
-
- case 'rg_peak':
- case 'replaygain_track_peak':
- $info['replay_gain']['track']['peak'] = (double) $commentvalue[0];
- unset($info['ogg']['comments'][$index]);
- break;
-
- case 'replaygain_reference_loudness':
- $info['replay_gain']['reference_volume'] = (double) $commentvalue[0];
- unset($info['ogg']['comments'][$index]);
- break;
-
- default:
- // do no