public function write()
{
// remove existing apetag
$this->remove();
$engine = new getid3();
$engine->filename = $this->filename;
$engine->fp = fopen($this->filename, 'rb');
$engine->include_module('tag.id3v1');
$engine->include_module('tag.lyrics3');
$tag = new getid3_id3v1($engine);
$tag->Analyze();
$tag = new getid3_lyrics3($engine);
$tag->Analyze();
$apetag = $this->generate_tag();
if (!($fp = @fopen($this->filename, 'a+b'))) {
throw new getid3_exception('Could not open a+b: ' . $this->filename);
}
// init: audio ends at eof
$post_audio_offset = filesize($this->filename);
// lyrics3 tag present
if (@$engine->info['lyrics3']['tag_offset_start']) {
// audio ends before lyrics3 tag
$post_audio_offset = @$engine->info['lyrics3']['tag_offset_start'];
} elseif (@$engine->info['id3v1']['tag_offset_start']) {
// audio ends before id3v1 tag
$post_audio_offset = $engine->info['id3v1']['tag_offset_start'];
}
// seek to end of audio data
fseek($fp, $post_audio_offset, SEEK_SET);
// save data after audio data
$post_audio_data = '';
if (filesize($this->filename) > $post_audio_offset) {
$post_audio_data = fread($fp, filesize($this->filename) - $post_audio_offset);
}
// truncate file before start of new apetag
fseek($fp, $post_audio_offset, SEEK_SET);
ftruncate($fp, ftell($fp));
// write new apetag
fwrite($fp, $apetag, strlen($apetag));
// rewrite data after audio
if (!empty($post_audio_data)) {
fwrite($fp, $post_audio_data, strlen($post_audio_data));
}
fclose($fp);
clearstatcache();
return true;
}
public static function Lyrics3LyricsTimestampParse(&$lyrics3_data)
{
$lyrics_array = explode("\r\n", $lyrics3_data['raw']['LYR']);
foreach ($lyrics_array as $key => $lyric_line) {
while (ereg('^(\\[[0-9]{2}:[0-9]{2}\\])', $lyric_line, $regs)) {
$this_line_timestamps[] = getid3_lyrics3::Lyrics3Timestamp2Seconds($regs[0]);
$lyric_line = str_replace($regs[0], '', $lyric_line);
}
$no_timestamp_lyrics_array[$key] = $lyric_line;
if (@is_array($this_line_timestamps)) {
sort($this_line_timestamps);
foreach ($this_line_timestamps as $timestampkey => $timestamp) {
if (isset($lyrics3_data['synchedlyrics'][$timestamp])) {
// timestamps only have a 1-second resolution, it's possible that multiple lines
// could have the same timestamp, if so, append
$lyrics3_data['synchedlyrics'][$timestamp] .= "\r\n" . $lyric_line;
} else {
$lyrics3_data['synchedlyrics'][$timestamp] = $lyric_line;
}
}
}
unset($this_line_timestamps);
$regs = array();
}
$lyrics3_data['unsynchedlyrics'] = implode("\r\n", $no_timestamp_lyrics_array);
if (isset($lyrics3_data['synchedlyrics']) && is_array($lyrics3_data['synchedlyrics'])) {
ksort($lyrics3_data['synchedlyrics']);
}
return true;
}
public function remove()
{
$engine = new getid3();
$engine->filename = $this->filename;
$engine->fp = fopen($this->filename, 'rb');
$engine->include_module('tag.lyrics3');
$tag = new getid3_lyrics3($engine);
$tag->Analyze();
if (isset($engine->info['lyrics3']['tag_offset_start']) && isset($engine->info['lyrics3']['tag_offset_end'])) {
if (!($fp = @fopen($this->filename, 'a+b'))) {
throw new getid3_exception('Could not open a+b: ' . $this->filename);
}
// get data after tag
fseek($fp, $engine->info['lyrics3']['tag_offset_end'], SEEK_SET);
$data_after_lyrics3 = '';
if (filesize($this->filename) > $engine->info['lyrics3']['tag_offset_end']) {
$data_after_lyrics3 = fread($fp, filesize($this->filename) - $engine->info['lyrics3']['tag_offset_end']);
}
// truncate file before start of tag and seek to end
ftruncate($fp, $engine->info['lyrics3']['tag_offset_start']);
// rewrite data after tag
if (!empty($data_after_lyrics3)) {
fseek($fp, $engine->info['lyrics3']['tag_offset_start'], SEEK_SET);
fwrite($fp, $data_after_lyrics3, strlen($data_after_lyrics3));
}
fclose($fp);
clearstatcache();
}
// success when removing non-existant tag
return true;
}
