/**
*
* @return boolean
*/
public function Analyze()
{
$info =& $this->getid3->info;
$info['fileformat'] = 'jpg';
$info['video']['dataformat'] = 'jpg';
$info['video']['lossless'] = false;
$info['video']['bits_per_sample'] = 24;
$info['video']['pixel_aspect_ratio'] = (double) 1;
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
$imageinfo = array();
list($width, $height, $type) = GetId3_Lib_Helper::GetDataImageSize(fread($this->getid3->fp, $info['filesize']), $imageinfo);
if (isset($imageinfo['APP13'])) {
// http://php.net/iptcparse
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
$iptc_parsed = iptcparse($imageinfo['APP13']);
if (is_array($iptc_parsed)) {
foreach ($iptc_parsed as $iptc_key_raw => $iptc_values) {
list($iptc_record, $iptc_tagkey) = explode('#', $iptc_key_raw);
$iptc_tagkey = intval(ltrim($iptc_tagkey, '0'));
foreach ($iptc_values as $key => $value) {
$IPTCrecordName = $this->IPTCrecordName($iptc_record);
$IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey);
if (isset($info['iptc'][$IPTCrecordName][$IPTCrecordTagName])) {
$info['iptc'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
} else {
$info['iptc'][$IPTCrecordName][$IPTCrecordTagName] = array($value);
}
}
}
}
}
$returnOK = false;
switch ($type) {
case IMG_JPG:
$info['video']['resolution_x'] = $width;
$info['video']['resolution_y'] = $height;
if (isset($imageinfo['APP1'])) {
if (function_exists('exif_read_data')) {
if (substr($imageinfo['APP1'], 0, 4) == 'Exif') {
$info['jpg']['exif'] = @exif_read_data($info['filenamepath'], '', true, false);
} else {
$info['warning'][] = 'exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "' . substr($imageinfo['APP1'], 0, 4) . '")';
}
} else {
$info['warning'][] = 'EXIF parsing only available when ' . (GetId3_GetId3::environmentIsWindows() ? 'php_exif.dll enabled' : 'compiled with --enable-exif');
}
}
$returnOK = true;
break;
default:
break;
}
$cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL');
foreach ($cast_as_appropriate_keys as $exif_key) {
if (isset($info['jpg']['exif'][$exif_key])) {
foreach ($info['jpg']['exif'][$exif_key] as $key => $value) {
$info['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value);
}
}
}
if (isset($info['jpg']['exif']['GPS'])) {
if (isset($info['jpg']['exif']['GPS']['GPSVersion'])) {
for ($i = 0; $i < 4; $i++) {
$version_subparts[$i] = ord(substr($info['jpg']['exif']['GPS']['GPSVersion'], $i, 1));
}
$info['jpg']['exif']['GPS']['computed']['version'] = 'v' . implode('.', $version_subparts);
}
if (isset($info['jpg']['exif']['GPS']['GPSDateStamp'])) {
$explodedGPSDateStamp = explode(':', $info['jpg']['exif']['GPS']['GPSDateStamp']);
$computed_time[5] = isset($explodedGPSDateStamp[0]) ? $explodedGPSDateStamp[0] : '';
$computed_time[3] = isset($explodedGPSDateStamp[1]) ? $explodedGPSDateStamp[1] : '';
$computed_time[4] = isset($explodedGPSDateStamp[2]) ? $explodedGPSDateStamp[2] : '';
if (function_exists('date_default_timezone_set')) {
date_default_timezone_set('UTC');
} else {
ini_set('date.timezone', 'UTC');
}
$computed_time = array(0 => 0, 1 => 0, 2 => 0, 3 => 0, 4 => 0, 5 => 0);
if (isset($info['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($info['jpg']['exif']['GPS']['GPSTimeStamp'])) {
foreach ($info['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) {
$computed_time[$key] = GetId3_Lib_Helper::DecimalizeFraction($value);
}
}
$info['jpg']['exif']['GPS']['computed']['timestamp'] = mktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]);
}
if (isset($info['jpg']['exif']['GPS']['GPSLatitude']) && is_array($info['jpg']['exif']['GPS']['GPSLatitude'])) {
$direction_multiplier = isset($info['jpg']['exif']['GPS']['GPSLatitudeRef']) && $info['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S' ? -1 : 1;
foreach ($info['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) {
$computed_latitude[$key] = GetId3_Lib_Helper::DecimalizeFraction($value);
}
$info['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + $computed_latitude[1] / 60 + $computed_latitude[2] / 3600);
}
if (isset($info['jpg']['exif']['GPS']['GPSLongitude']) && is_array($info['jpg']['exif']['GPS']['GPSLongitude'])) {
$direction_multiplier = isset($info['jpg']['exif']['GPS']['GPSLongitudeRef']) && $info['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W' ? -1 : 1;
foreach ($info['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) {
$computed_longitude[$key] = GetId3_Lib_Helper::DecimalizeFraction($value);
}
$info['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + $computed_longitude[1] / 60 + $computed_longitude[2] / 3600);
}
if (isset($info['jpg']['exif']['GPS']['GPSAltitude'])) {
$direction_multiplier = isset($info['jpg']['exif']['GPS']['GPSAltitudeRef']) && $info['jpg']['exif']['GPS']['GPSAltitudeRef'] === chr(1) ? -1 : 1;
$info['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * GetId3_Lib_Helper::DecimalizeFraction($info['jpg']['exif']['GPS']['GPSAltitude']);
}
}
if (class_exists('GetId3_Module_Tag_Xmp')) {
if (isset($info['filenamepath'])) {
$image_xmp = new GetId3_Module_Tag_Xmp($info['filenamepath']);
$xmp_raw = $image_xmp->getAllTags();
foreach ($xmp_raw as $key => $value) {
list($subsection, $tagname) = explode(':', $key);
$info['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value);
}
}
}
if (!$returnOK) {
unset($info['fileformat']);
return false;
}
return true;
}
/**
*
* @return boolean
*/
public function Analyze()
{
$info =& $this->getid3->info;
if (!GetId3_Lib_Helper::intValueSupported($info['filesize'])) {
$info['warning'][] = 'Unable to check for APEtags because file is larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB';
return false;
}
$id3v1tagsize = 128;
$apetagheadersize = 32;
$lyrics3tagsize = 10;
if ($this->overrideendoffset == 0) {
fseek($this->getid3->fp, 0 - $id3v1tagsize - $apetagheadersize - $lyrics3tagsize, SEEK_END);
$APEfooterID3v1 = fread($this->getid3->fp, $id3v1tagsize + $apetagheadersize + $lyrics3tagsize);
//if (preg_match('/APETAGEX.{24}TAG.{125}$/i', $APEfooterID3v1)) {
if (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $id3v1tagsize - $apetagheadersize, 8) == 'APETAGEX') {
// APE tag found before ID3v1
$info['ape']['tag_offset_end'] = $info['filesize'] - $id3v1tagsize;
//} elseif (preg_match('/APETAGEX.{24}$/i', $APEfooterID3v1)) {
} elseif (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $apetagheadersize, 8) == 'APETAGEX') {
// APE tag found, no ID3v1
$info['ape']['tag_offset_end'] = $info['filesize'];
}
} else {
fseek($this->getid3->fp, $this->overrideendoffset - $apetagheadersize, SEEK_SET);
if (fread($this->getid3->fp, 8) == 'APETAGEX') {
$info['ape']['tag_offset_end'] = $this->overrideendoffset;
}
}
if (!isset($info['ape']['tag_offset_end'])) {
// APE tag not found
unset($info['ape']);
return false;
}
// shortcut
$thisfile_ape =& $info['ape'];
fseek($this->getid3->fp, $thisfile_ape['tag_offset_end'] - $apetagheadersize, SEEK_SET);
$APEfooterData = fread($this->getid3->fp, 32);
if (!($thisfile_ape['footer'] = $this->parseAPEheaderFooter($APEfooterData))) {
$info['error'][] = 'Error parsing APE footer at offset ' . $thisfile_ape['tag_offset_end'];
return false;
}
if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
fseek($this->getid3->fp, $thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'] - $apetagheadersize, SEEK_SET);
$thisfile_ape['tag_offset_start'] = ftell($this->getid3->fp);
$APEtagData = fread($this->getid3->fp, $thisfile_ape['footer']['raw']['tagsize'] + $apetagheadersize);
} else {
$thisfile_ape['tag_offset_start'] = $thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'];
fseek($this->getid3->fp, $thisfile_ape['tag_offset_start'], SEEK_SET);
$APEtagData = fread($this->getid3->fp, $thisfile_ape['footer']['raw']['tagsize']);
}
$info['avdataend'] = $thisfile_ape['tag_offset_start'];
if (isset($info['id3v1']['tag_offset_start']) && $info['id3v1']['tag_offset_start'] < $thisfile_ape['tag_offset_end']) {
$info['warning'][] = 'ID3v1 tag information ignored since it appears to be a false synch in APEtag data';
unset($info['id3v1']);
foreach ($info['warning'] as $key => $value) {
if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
unset($info['warning'][$key]);
sort($info['warning']);
break;
}
}
}
$offset = 0;
if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
if ($thisfile_ape['header'] = $this->parseAPEheaderFooter(substr($APEtagData, 0, $apetagheadersize))) {
$offset += $apetagheadersize;
} else {
$info['error'][] = 'Error parsing APE header at offset ' . $thisfile_ape['tag_offset_start'];
return false;
}
}
// shortcut
$info['replay_gain'] = array();
$thisfile_replaygain =& $info['replay_gain'];
for ($i = 0; $i < $thisfile_ape['footer']['raw']['tag_items']; $i++) {
$value_size = GetId3_Lib_Helper::LittleEndian2Int(substr($APEtagData, $offset, 4));
$offset += 4;
$item_flags = GetId3_Lib_Helper::LittleEndian2Int(substr($APEtagData, $offset, 4));
$offset += 4;
if (strstr(substr($APEtagData, $offset), "") === false) {
$info['error'][] = 'Cannot find null-byte (0x00) seperator between ItemKey #' . $i . ' and value. ItemKey starts ' . $offset . ' bytes into the APE tag, at file offset ' . ($thisfile_ape['tag_offset_start'] + $offset);
return false;
}
$ItemKeyLength = strpos($APEtagData, "", $offset) - $offset;
$item_key = strtolower(substr($APEtagData, $offset, $ItemKeyLength));
// shortcut
$thisfile_ape['items'][$item_key] = array();
$thisfile_ape_items_current =& $thisfile_ape['items'][$item_key];
$thisfile_ape_items_current['offset'] = $thisfile_ape['tag_offset_start'] + $offset;
$offset += $ItemKeyLength + 1;
// skip 0x00 terminator
$thisfile_ape_items_current['data'] = substr($APEtagData, $offset, $value_size);
$offset += $value_size;
$thisfile_ape_items_current['flags'] = $this->parseAPEtagFlags($item_flags);
switch ($thisfile_ape_items_current['flags']['item_contents_raw']) {
case 0:
// UTF-8
// UTF-8
case 3:
// Locator (URL, filename, etc), UTF-8 encoded
$thisfile_ape_items_current['data'] = explode("", trim($thisfile_ape_items_current['data']));
break;
default:
// binary data
break;
}
switch (strtolower($item_key)) {
case 'replaygain_track_gain':
$thisfile_replaygain['track']['adjustment'] = (double) str_replace(',', '.', $thisfile_ape_items_current['data'][0]);
// float casting will see "0,95" as zero!
$thisfile_replaygain['track']['originator'] = 'unspecified';
break;
case 'replaygain_track_peak':
$thisfile_replaygain['track']['peak'] = (double) str_replace(',', '.', $thisfile_ape_items_current['data'][0]);
// float casting will see "0,95" as zero!
$thisfile_replaygain['track']['originator'] = 'unspecified';
if ($thisfile_replaygain['track']['peak'] <= 0) {
$info['warning'][] = 'ReplayGain Track peak from APEtag appears invalid: ' . $thisfile_replaygain['track']['peak'] . ' (original value = "' . $thisfile_ape_items_current['data'][0] . '")';
}
break;
case 'replaygain_album_gain':
$thisfile_replaygain['album']['adjustment'] = (double) str_replace(',', '.', $thisfile_ape_items_current['data'][0]);
// float casting will see "0,95" as zero!
$thisfile_replaygain['album']['originator'] = 'unspecified';
break;
case 'replaygain_album_peak':
$thisfile_replaygain['album']['peak'] = (double) str_replace(',', '.', $thisfile_ape_items_current['data'][0]);
// float casting will see "0,95" as zero!
$thisfile_replaygain['album']['originator'] = 'unspecified';
if ($thisfile_replaygain['album']['peak'] <= 0) {
$info['warning'][] = 'ReplayGain Album peak from APEtag appears invalid: ' . $thisfile_replaygain['album']['peak'] . ' (original value = "' . $thisfile_ape_items_current['data'][0] . '")';
}
break;
case 'mp3gain_undo':
list($mp3gain_undo_left, $mp3gain_undo_right, $mp3gain_undo_wrap) = explode(',', $thisfile_ape_items_current['data'][0]);
$thisfile_replaygain['mp3gain']['undo_left'] = intval($mp3gain_undo_left);
$thisfile_replaygain['mp3gain']['undo_right'] = intval($mp3gain_undo_right);
$thisfile_replaygain['mp3gain']['undo_wrap'] = $mp3gain_undo_wrap == 'Y' ? true : false;
break;
case 'mp3gain_minmax':
list($mp3gain_globalgain_min, $mp3gain_globalgain_max) = explode(',', $thisfile_ape_items_current['data'][0]);
$thisfile_replaygain['mp3gain']['globalgain_track_min'] = intval($mp3gain_globalgain_min);
$thisfile_replaygain['mp3gain']['globalgain_track_max'] = intval($mp3gain_globalgain_max);
break;
case 'mp3gain_album_minmax':
list($mp3gain_globalgain_album_min, $mp3gain_globalgain_album_max) = explode(',', $thisfile_ape_items_current['data'][0]);
$thisfile_replaygain['mp3gain']['globalgain_album_min'] = intval($mp3gain_globalgain_album_min);
$thisfile_replaygain['mp3gain']['globalgain_album_max'] = intval($mp3gain_globalgain_album_max);
break;
case 'tracknumber':
if (is_array($thisfile_ape_items_current['data'])) {
foreach ($thisfile_ape_items_current['data'] as $comment) {
$thisfile_ape['comments']['track'][] = $comment;
}
}
break;
case 'cover art (artist)':
case 'cover art (back)':
case 'cover art (band logo)':
case 'cover art (band)':
case 'cover art (colored fish)':
case 'cover art (composer)':
case 'cover art (conductor)':
case 'cover art (front)':
case 'cover art (icon)':
case 'cover art (illustration)':
case 'cover art (lead)':
case 'cover art (leaflet)':
case 'cover art (lyricist)':
case 'cover art (media)':
case 'cover art (movie scene)':
case 'cover art (other icon)':
case 'cover art (other)':
case 'cover art (performance)':
case 'cover art (publisher logo)':
case 'cover art (recording)':
case 'cover art (studio)':
// list of possible cover arts from http://taglib-sharp.sourcearchive.com/documentation/2.0.3.0-2/Ape_2Tag_8cs-source.html
list($thisfile_ape_items_current['filename'], $thisfile_ape_items_current['data']) = explode("", $thisfile_ape_items_current['data'], 2);
$thisfile_ape_items_current['data_offset'] = $thisfile_ape_items_current['offset'] + strlen($thisfile_ape_items_current['filename'] . "");
$thisfile_ape_items_current['data_length'] = strlen($thisfile_ape_items_current['data']);
$thisfile_ape_items_current['image_mime'] = '';
$imageinfo = array();
$imagechunkcheck = GetId3_Lib_Helper::GetDataImageSize($thisfile_ape_items_current['data'], $imageinfo);
$thisfile_ape_items_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
do {
if ($this->inline_attachments === false) {
// skip entirely
unset($thisfile_ape_items_current['data']);
break;
}
if ($this->inline_attachments === true) {
// great
} elseif (is_int($this->inline_attachments)) {
if ($this->inline_attachments < $thisfile_ape_items_current['data_length']) {
// too big, skip
$info['warning'][] = 'attachment at ' . $thisfile_ape_items_current['offset'] . ' is too large to process inline (' . number_format($thisfile_ape_items_current['data_length']) . ' bytes)';
unset($thisfile_ape_items_current['data']);
break;
}
} elseif (is_string($this->inline_attachments)) {
$this->inline_attachments = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->inline_attachments), DIRECTORY_SEPARATOR);
if (!is_dir($this->inline_attachments) || !is_writable($this->inline_attachments)) {
// cannot write, skip
$info['warning'][] = 'attachment at ' . $thisfile_ape_items_current['offset'] . ' cannot be saved to "' . $this->inline_attachments . '" (not writable)';
unset($thisfile_ape_items_current['data']);
break;
}
}
// if we get this far, must be OK
if (is_string($this->inline_attachments)) {
$destination_filename = $this->inline_attachments . DIRECTORY_SEPARATOR . md5($info['filenamepath']) . '_' . $thisfile_ape_items_current['data_offset'];
if (!file_exists($destination_filename) || is_writable($destination_filename)) {
file_put_contents($destination_filename, $thisfile_ape_items_current['data']);
} else {
$info['warning'][] = 'attachment at ' . $thisfile_ape_items_current['offset'] . ' cannot be saved to "' . $destination_filename . '" (not writable)';
}
$thisfile_ape_items_current['data_filename'] = $destination_filename;
unset($thisfile_ape_items_current['data']);
} else {
if (!isset($info['ape']['comments']['picture'])) {
$info['ape']['comments']['picture'] = array();
}
$info['ape']['comments']['picture'][] = array('data' => $thisfile_ape_items_current['data'], 'image_mime' => $thisfile_ape_items_current['image_mime']);
}
} while (false);
break;
default:
if (is_array($thisfile_ape_items_current['data'])) {
foreach ($thisfile_ape_items_current['data'] as $comment) {
$thisfile_ape['comments'][strtolower($item_key)][] = $comment;
}
}
break;
}
}
if (empty($thisfile_replaygain)) {
unset($info['replay_gain']);
}
return true;
}
/**
*
* @return boolean
*/
public function ParseVorbisComments()
{
$info =& $this->getid3->info;
$OriginalOffset = $this->ftell();
$commentdataoffset = 0;
$VorbisCommentPage = 1;
switch ($info['audio']['dataformat']) {
case 'vorbis':
case 'speex':
$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;
}
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;
}
$VendorSize = GetId3_Lib_Helper::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
$commentdataoffset += 4;
$info['ogg']['vendor'] = substr($commentdata, $commentdataoffset, $VendorSize);
$commentdataoffset += $VendorSize;
$CommentsCount = GetId3_Lib_Helper::LittleEndian2Int(substr($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++) {
$ThisFileInfo_ogg_comments_raw[$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("", 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_Helper::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) {
$info['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("", 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])) {
$info['warning'][] = 'undefined Vorbis Comment page "' . $VorbisCommentPage . '" at offset ' . $this->ftell();
break;
}
$readlength = self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1);
if ($readlength <= 0) {
$info['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?
$info['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] : '';
$ThisFileInfo_ogg_comments_raw[$i]['data'] = base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']);
$ThisFileInfo_ogg_comments_raw[$i]['data_length'] = strlen($ThisFileInfo_ogg_comments_raw[$i]['data']);
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
$getid3_temp = new GetId3_GetId3();
$getid3_flac = new GetId3_Module_Audio_Flac($getid3_temp);
$getid3_flac->data_string = $ThisFileInfo_ogg_comments_raw[$i]['data'];
$getid3_flac->data_string_flag = true;
if ($getid3_flac->parsePICTURE()) {
if (!empty($getid3_temp->info['flac']['PICTURE'])) {
foreach ($getid3_temp->info['flac']['PICTURE'] as $key => $value) {
$ThisFileInfo_ogg_comments_raw[$i]['data'] = $value['data'];
$ThisFileInfo_ogg_comments_raw[$i]['data_length'] = strlen($value['data']);
$ThisFileInfo_ogg_comments_raw[$i]['image_mime'] = $value['image_mime'];
$ThisFileInfo_ogg_comments_raw[$i]['width'] = $value['width'];
$ThisFileInfo_ogg_comments_raw[$i]['height'] = $value['height'];
$ThisFileInfo_ogg_comments_raw[$i]['type'] = $value['type'];
$ThisFileInfo_ogg_comments_raw[$i]['typeid'] = $value['typeid'];
$ThisFileInfo_ogg_comments_raw[$i]['color_depth'] = $value['color_depth'];
$ThisFileInfo_ogg_comments_raw[$i]['colors_indexed'] = $value['colors_indexed'];
}
}
} else {
$info['warning'][] = 'Failed to GetId3_flac.parsePICTURE()';
}
unset($getid3_flac, $getid3_temp);
}
if (preg_match('#^(BM|GIF|\\xFF\\xD8\\xFF|\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A|II\\x2A\\x00|MM\\x00\\x2A)#s', $ThisFileInfo_ogg_comments_raw[$i]['data'])) {
$imageinfo = array();
$imagechunkcheck = GetId3_Lib_Helper::GetDataImageSize($ThisFileInfo_ogg_comments_raw[$i]['data'], $imageinfo);
unset($imageinfo);
if (!empty($imagechunkcheck)) {
$ThisFileInfo_ogg_comments_raw[$i]['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
if ($ThisFileInfo_ogg_comments_raw[$i]['image_mime'] && $ThisFileInfo_ogg_comments_raw[$i]['image_mime'] != 'application/octet-stream') {
unset($ThisFileInfo_ogg_comments_raw[$i]['value']);
}
}
}
if (isset($ThisFileInfo_ogg_comments_raw[$i]['value'])) {
unset($ThisFileInfo_ogg_comments_raw[$i]['data']);
$info['ogg']['comments'][strtolower($ThisFileInfo_ogg_comments_raw[$i]['key'])][] = $ThisFileInfo_ogg_comments_raw[$i]['value'];
} else {
do {
if ($this->inline_attachments === false) {
// skip entirely
unset($ThisFileInfo_ogg_comments_raw[$i]['data']);
break;
}
if ($this->inline_attachments === true) {
// great
} elseif (is_int($this->inline_attachments)) {
if ($this->inline_attachments < $ThisFileInfo_ogg_comments_raw[$i]['data_length']) {
// too big, skip
$info['warning'][] = 'attachment at ' . $ThisFileInfo_ogg_comments_raw[$i]['offset'] . ' is too large to process inline (' . number_format($ThisFileInfo_ogg_comments_raw[$i]['data_length']) . ' bytes)';
unset($ThisFileInfo_ogg_comments_raw[$i]['data']);
break;
}
} elseif (is_string($this->inline_attachments)) {
$this->inline_attachments = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->inline_attachments), DIRECTORY_SEPARATOR);
if (!is_dir($this->inline_attachments) || !is_writable($this->inline_attachments)) {
// cannot write, skip
$info['warning'][] = 'attachment at ' . $ThisFileInfo_ogg_comments_raw[$i]['offset'] . ' cannot be saved to "' . $this->inline_attachments . '" (not writable)';
unset($ThisFileInfo_ogg_comments_raw[$i]['data']);
break;
}
}
// if we get this far, must be OK
if (is_string($this->inline_attachments)) {
$destination_filename = $this->inline_attachments . DIRECTORY_SEPARATOR . md5($info['filenamepath']) . '_' . $ThisFileInfo_ogg_comments_raw[$i]['offset'];
if (!file_exists($destination_filename) || is_writable($destination_filename)) {
file_put_contents($destination_filename, $ThisFileInfo_ogg_comments_raw[$i]['data']);
} else {
$info['warning'][] = 'attachment at ' . $ThisFileInfo_ogg_comments_raw[$i]['offset'] . ' cannot be saved to "' . $destination_filename . '" (not writable)';
}
$ThisFileInfo_ogg_comments_raw[$i]['data_filename'] = $destination_filename;
unset($ThisFileInfo_ogg_comments_raw[$i]['data']);
} else {
$info['ogg']['comments']['picture'][] = array('data' => $ThisFileInfo_ogg_comments_raw[$i]['data'], 'image_mime' => $ThisFileInfo_ogg_comments_raw[$i]['image_mime']);
}
} while (false);
}
} else {
$info['warning'][] = '[known problem with CDex >= v1.40, < v1.50b7] Invalid Ogg comment name/value pair [' . $i . ']: ' . $commentstring;
}
}
// Replay Gain Adjustment
// http://privatewww.essex.ac.uk/~djmrob/replaygain/
if (isset($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;
}
public function ASF_WMpicture(&$data)
{
//typedef struct _WMPicture{
// LPWSTR pwszMIMEType;
// BYTE bPictureType;
// LPWSTR pwszDescription;
// DWORD dwDataLen;
// BYTE* pbData;
//} WM_PICTURE;
$WMpicture = array();
$offset = 0;
$WMpicture['image_type_id'] = GetId3_Lib_Helper::LittleEndian2Int(substr($data, $offset, 1));
$offset += 1;
$WMpicture['image_type'] = $this->WMpictureTypeLookup($WMpicture['image_type_id']);
$WMpicture['image_size'] = GetId3_Lib_Helper::LittleEndian2Int(substr($data, $offset, 4));
$offset += 4;
$WMpicture['image_mime'] = '';
do {
$next_byte_pair = substr($data, $offset, 2);
$offset += 2;
$WMpicture['image_mime'] .= $next_byte_pair;
} while ($next_byte_pair !== "");
$WMpicture['image_description'] = '';
do {
$next_byte_pair = substr($data, $offset, 2);
$offset += 2;
$WMpicture['image_description'] .= $next_byte_pair;
} while ($next_byte_pair !== "");
$WMpicture['dataoffset'] = $offset;
$WMpicture['data'] = substr($data, $offset);
$imageinfo = array();
$WMpicture['image_mime'] = '';
$imagechunkcheck = GetId3_Lib_Helper::GetDataImageSize($WMpicture['data'], $imageinfo);
unset($imageinfo);
if (!empty($imagechunkcheck)) {
$WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
}
if (!isset($this->getid3->info['asf']['comments']['picture'])) {
$this->getid3->info['asf']['comments']['picture'] = array();
}
$this->getid3->info['asf']['comments']['picture'][] = array('data' => $WMpicture['data'], 'image_mime' => $WMpicture['image_mime']);
return $WMpicture;
}
