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/home/tahkoom/public_html/wp-includes/ID3/module.audio.ogg.php
<?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 //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
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'];
$info['ogg']['skeleton']['fishead']['presentationtime'] = getid3_lib::SafeDiv($info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'], $info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator']);
$info['ogg']['skeleton']['fishead']['basetime'] = getid3_lib::SafeDiv($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'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($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['audio']['sample_rate'] / $info['ogg']['samples'];
}
}
}
if (!empty($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 = array();
$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($filedata)) {
if ($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;
}
$VendorSize = getid3_lib::LittleEndian2Int(substr($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;
}
$VorbisCommentPage++;
if ($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'];
} else {
$this->warning('failed to ParseOggPageHeader() at offset '.$this->ftell());
break;
}
}
$ThisFileInfo_ogg_comments_raw[$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 nothing
break;
}
}
}
$this->fseek($OriginalOffset);
return true;
}
/**
* @param int $mode
*
* @return string|null
*/
public static function SpeexBandModeLookup($mode) {
static $SpeexBandModeLookup = array();
if (empty($SpeexBandModeLookup)) {
$SpeexBandModeLookup[0] = 'narrow';
$SpeexBandModeLookup[1] = 'wide';
$SpeexBandModeLookup[2] = 'ultra-wide';
}
return (isset($SpeexBandModeLookup[$mode]) ? $SpeexBandModeLookup[$mode] : null);
}
/**
* @param array $OggInfoArray
* @param int $SegmentNumber
*
* @return int
*/
public static function OggPageSegmentLength($OggInfoArray, $SegmentNumber=1) {
$segmentlength = 0;
for ($i = 0; $i < $SegmentNumber; $i++) {
$segmentlength = 0;
foreach ($OggInfoArray['segment_table'] as $key => $value) {
$segmentlength += $value;
if ($value < 255) {
break;
}
}
}
return $segmentlength;
}
/**
* @param int $nominal_bitrate
*
* @return float
*/
public static function get_quality_from_nominal_bitrate($nominal_bitrate) {
// decrease precision
$nominal_bitrate = $nominal_bitrate / 1000;
if ($nominal_bitrate < 128) {
// q-1 to q4
$qval = ($nominal_bitrate - 64) / 16;
} elseif ($nominal_bitrate < 256) {
// q4 to q8
$qval = $nominal_bitrate / 32;
} elseif ($nominal_bitrate < 320) {
// q8 to q9
$qval = ($nominal_bitrate + 256) / 64;
} else {
// q9 to q10
$qval = ($nominal_bitrate + 1300) / 180;
}
//return $qval; // 5.031324
//return intval($qval); // 5
return round($qval, 1); // 5 or 4.9
}
/**
* @param int $colorspace_id
*
* @return string|null
*/
public static function TheoraColorSpace($colorspace_id) {
// http://www.theora.org/doc/Theora.pdf (table 6.3)
static $TheoraColorSpaceLookup = array();
if (empty($TheoraColorSpaceLookup)) {
$TheoraColorSpaceLookup[0] = 'Undefined';
$TheoraColorSpaceLookup[1] = 'Rec. 470M';
$TheoraColorSpaceLookup[2] = 'Rec. 470BG';
$TheoraColorSpaceLookup[3] = 'Reserved';
}
return (isset($TheoraColorSpaceLookup[$colorspace_id]) ? $TheoraColorSpaceLookup[$colorspace_id] : null);
}
/**
* @param int $pixelformat_id
*
* @return string|null
*/
public static function TheoraPixelFormat($pixelformat_id) {
// http://www.theora.org/doc/Theora.pdf (table 6.4)
static $TheoraPixelFormatLookup = array();
if (empty($TheoraPixelFormatLookup)) {
$TheoraPixelFormatLookup[0] = '4:2:0';
$TheoraPixelFormatLookup[1] = 'Reserved';
$TheoraPixelFormatLookup[2] = '4:2:2';
$TheoraPixelFormatLookup[3] = '4:4:4';
}
return (isset($TheoraPixelFormatLookup[$pixelformat_id]) ? $TheoraPixelFormatLookup[$pixelformat_id] : null);
}
}
التكنولوجيا تتسلل الي الممارسات الدينية – tahkoom.com
كتبت مريم سمير
في عصر تتسارع فيه وتيرة التطورات التكنولوجية، أصبح من الواضح أن هذه التغيرات تؤثر بشكل عميق على جميع جوانب الحياة، بما في ذلك الممارسات الدينية. هذا التحقيق يستعرض كيف تؤثر التطبيقات الدينية على سلوكيات الأفراد ومعتقداتهم، وكيف يمكن أن تكون أداة لتعزيز الإيمان أو تهديداً لجذوره.
التطبيقات الدينية: أدوات جديدة للإيمان
تتعدد التطبيقات المستخدمة في الممارسات الدينية، وتلعب دورًا مهمًا في حياة المؤمنين. في المسيحية، يُعتبر تطبيق “أرثوذكسي” من أبرز الأدوات التي تساعد الأفراد في أداء الصلوات وقراءة الكتاب المقدس. يحتوي التطبيق على صلوات وأدعية تسهل على المستخدمين الالتزام بممارساتهم الروحية يوميًا.
أما في الإسلام، يبرز تطبيق “Majeed Quran” كمنصة تقدم تجربة قرآنية متكاملة، تشمل الصوتيات والواجهة البصرية، وتوفر للمستخدمين إمكانية الاستماع إلى تلاوات من قراء مشهورين. بالإضافة إلى ذلك، يوجد العديد من التطبيقات الأخرى مثل “Pro Muslim” التي توفر مواقيت الصلاة والأذكار، مما يسهم في تسهيل ممارسة الشعائر.
آراء الشيوخ والكهنة: وجهات نظر متعددة
تتباين آراء الشيوخ والكهنة حول تأثير التكنولوجيا على الدين. المعلمة أمل علي، خريجة علوم الشريعة، تشير إلى أن التطبيقات قد تلهي الأفراد عن العبادة، رغم فوائدها في تسهيل الوصول إلى المعرفة الدينية. إذ يمكن من خلال الإنترنت الاطلاع على فتاوى من مصادر موثوقة والتواصل مع رجال الدين.
في المقابل، الكاهن إبراهيم فؤاد يرى أن التكنولوجيا أصبحت وسيلة أسهل وأسرع للمؤمنين، خاصة في ظل الظروف الاستثنائية مثل جائحة كورونا، التي دفعت الكثيرين للاعتماد على التطبيقات لأداء شعائرهم. الكاهن داوود غبلاير يؤكد أن هذه التطبيقات تساعد جميع الفئات العمرية، بينما يعبر الكاهن يسطس صبحي عن أهمية عدم نسيان دور أماكن العبادة، مشددًا على أن التطبيقات ليست بديلاً عن التجمعات الروحية.
صوت المستخدمين: تجارب شخصية
تتباين آراء المستخدمين حول التطبيقات الدينية، مما يعكس تنوع التجارب. ففاطمة، مستخدمة نشطة، تجد أن التطبيقات تعزز من ارتباطها بدينها وتساعدها في تنظيم عباداتها. تقول: “تطبيقات الهاتف تساعدني في البقاء متصلة بديني وفي الوقت نفسه تسهل لي الكثير من الأمور الروحية”.
من جهة أخرى، يشير أحمد، شاب في العشرينات، إلى أن “الأجواء الروحية في المساجد لا يمكن تعويضها”، ويضيف أن التطبيقات قد تكون مفيدة، لكن لا يمكنها أن تحل محل التجمعات التقليدية. هذه الآراء تسلط الضوء على التحديات والفرص التي تقدمها التكنولوجيا.
المخاطر المحتملة: التحديات أمام الإيمان
رغم الفوائد التي تقدمها التطبيقات، هناك مخاطر ينبغي الانتباه إليها. من أبرز هذه المخاطر انتشار المعلومات الخاطئة، حيث يصعب التحقق من صحة المحتوى المتداول، مما قد يؤدي إلى نشر أفكار مضللة. كما أن الاعتماد المفرط على التكنولوجيا قد يؤدي إلى الشعور بالانعزال الاجتماعي، مما يؤثر سلبًا على الروابط المجتمعية.
إيجابيات التكنولوجيا: فوائد لا يمكن تجاهلها
تقدم التطبيقات الدينية مجموعة من الفوائد التي لا يمكن إغفالها. فهي تتيح سهولة الوصول إلى النصوص المقدسة، وتساعد في تنظيم الممارسات الدينية، مما يعزز الالتزام اليومي. بالإضافة إلى ذلك، تعزز هذه التطبيقات من التعلم والتفاعل، مما يسهم في فهم أعمق للدين.
توصيات لتحسين الاستخدام
لتحقيق توازن بين التكنولوجيا والتقاليد، ينبغي على المطورين:
تقييم المحتوى: التعاون مع العلماء لضمان دقة المعلومات المقدمة، وإجراء مراجعات دورية للمحتوى.
تعزيز التفاعل الإنساني: تنظيم فعاليات تجمع بين المستخدمين والخبراء في الدين، مثل الندوات وورش العمل.
توفير موارد تعليمية متنوعة: إدماج محتوى تعليمي تفاعلي وجذاب، يشمل مقاطع الفيديو والدروس عبر الإنترنت.
تشجيع الاستخدام الإيجابي: تطوير تطبيقات تساعد في تتبع تقدم المستخدمين في ممارساتهم الدينية، مما يعزز الانضباط الشخصي.
تتطلب التكنولوجيا المتزايدة في الممارسات الدينية وعياً عميقاً لتأثيرها على الإيمان، ومن الضروري الحفاظ على توازن بين استخدام التطبيقات والتمسك بالتقاليد الدينية لضمان استمرارية الروابط الروحية، كما يجب أن نعمل جميعًا على تعزيز استخدام التكنولوجيا كأداة لتعزيز الإيمان، مع الحرص على عدم فقدان الجوانب الروحية والاجتماعية التي توفرها التجمعات التقليدية.
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