function FormatDataForID3v2($id3v2_majorversion)
{
$tag_data_id3v2 = array();
$ID3v2_text_encoding_lookup[2] = array('ISO-8859-1' => 0, 'UTF-16' => 1);
$ID3v2_text_encoding_lookup[3] = array('ISO-8859-1' => 0, 'UTF-16' => 1);
$ID3v2_text_encoding_lookup[4] = array('ISO-8859-1' => 0, 'UTF-16' => 1, 'UTF-16BE' => 2, 'UTF-8' => 3);
foreach ($this->tag_data as $tag_key => $valuearray) {
$ID3v2_framename = getid3_write_id3v2::ID3v2ShortFrameNameLookup($id3v2_majorversion, $tag_key);
switch ($ID3v2_framename) {
case 'APIC':
foreach ($valuearray as $key => $apic_data_array) {
if (isset($apic_data_array['data']) && isset($apic_data_array['picturetypeid']) && isset($apic_data_array['description']) && isset($apic_data_array['mime'])) {
$tag_data_id3v2['APIC'][] = $apic_data_array;
} else {
$this->errors[] = 'ID3v2 APIC data is not properly structured';
return false;
}
}
break;
case '':
$this->errors[] = 'ID3v2: Skipping "' . $tag_key . '" because cannot match it to a known ID3v2 frame type';
// some other data type, don't know how to handle it, ignore it
break;
default:
// most other (text) frames can be copied over as-is
foreach ($valuearray as $key => $value) {
if (isset($ID3v2_text_encoding_lookup[$id3v2_majorversion][$this->tag_encoding])) {
// source encoding is valid in ID3v2 - use it with no conversion
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = $ID3v2_text_encoding_lookup[$id3v2_majorversion][$this->tag_encoding];
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
} else {
// source encoding is NOT valid in ID3v2 - convert it to an ID3v2-valid encoding first
if ($id3v2_majorversion < 4) {
// convert data from other encoding to UTF-16
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 1;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-16', $value);
} else {
// convert data from other encoding to UTF-8
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 3;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-8', $value);
}
}
// These values are not needed for all frame types, but if they're not used no matter
$tag_data_id3v2[$ID3v2_framename][$key]['description'] = '';
$tag_data_id3v2[$ID3v2_framename][$key]['language'] = $this->id3v2_tag_language;
}
break;
}
}
$this->MergeExistingTagData('id3v2', $tag_data_id3v2);
return $tag_data_id3v2;
}
function FormatDataForID3v2($id3v2_majorversion)
{
$tag_data_id3v2 = array();
$ID3v2_text_encoding_lookup[2] = array('ISO-8859-1' => 0, 'UTF-16' => 1);
$ID3v2_text_encoding_lookup[3] = array('ISO-8859-1' => 0, 'UTF-16' => 1);
$ID3v2_text_encoding_lookup[4] = array('ISO-8859-1' => 0, 'UTF-16' => 1, 'UTF-16BE' => 2, 'UTF-8' => 3);
foreach ($this->tag_data as $tag_key => $valuearray) {
$ID3v2_framename = getid3_write_id3v2::ID3v2ShortFrameNameLookup($id3v2_majorversion, $tag_key);
switch ($ID3v2_framename) {
case 'APIC':
foreach ($valuearray as $key => $apic_data_array) {
if (isset($apic_data_array['data']) && isset($apic_data_array['picturetypeid']) && isset($apic_data_array['description']) && isset($apic_data_array['mime'])) {
$tag_data_id3v2['APIC'][] = $apic_data_array;
} else {
$this->errors[] = 'ID3v2 APIC data is not properly structured';
return false;
}
}
break;
case '':
$this->errors[] = 'ID3v2: Skipping "' . $tag_key . '" because cannot match it to a known ID3v2 frame type';
// some other data type, don't know how to handle it, ignore it
break;
default:
// most other (text) frames can be copied over as-is
foreach ($valuearray as $key => $value) {
if (isset($ID3v2_text_encoding_lookup[$id3v2_majorversion][$this->tag_encoding])) {
// source encoding is valid in ID3v2 - use it with no conversion
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = $ID3v2_text_encoding_lookup[$id3v2_majorversion][$this->tag_encoding];
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
} else {
// source encoding is NOT valid in ID3v2 - convert it to an ID3v2-valid encoding first
if ($id3v2_majorversion < 4) {
// convert data from other encoding to UTF-16 (with BOM)
// note: some software, notably Windows Media Player and iTunes are broken and treat files tagged with UTF-16BE (with BOM) as corrupt
// therefore we force data to UTF-16LE and manually prepend the BOM
$ID3v2_tag_data_converted = false;
if (!$ID3v2_tag_data_converted && $this->tag_encoding == 'ISO-8859-1') {
// great, leave data as-is for minimum compatability problems
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 0;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
$ID3v2_tag_data_converted = true;
}
if (!$ID3v2_tag_data_converted && $this->tag_encoding == 'UTF-8') {
do {
// if UTF-8 string does not include any characters above chr(127) then it is identical to ISO-8859-1
for ($i = 0; $i < strlen($value); $i++) {
if (ord($value[$i]) > 127) {
break 2;
}
}
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 0;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
$ID3v2_tag_data_converted = true;
} while (false);
}
if (!$ID3v2_tag_data_converted) {
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 1;
//$tag_data_id3v2[$ID3v2_framename][$key]['data'] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-16', $value); // output is UTF-16LE+BOM or UTF-16BE+BOM depending on system architecture
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = "ÿþ" . getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-16LE', $value);
// force LittleEndian order version of UTF-16
$ID3v2_tag_data_converted = true;
}
} else {
// convert data from other encoding to UTF-8
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 3;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-8', $value);
}
}
// These values are not needed for all frame types, but if they're not used no matter
$tag_data_id3v2[$ID3v2_framename][$key]['description'] = '';
$tag_data_id3v2[$ID3v2_framename][$key]['language'] = $this->id3v2_tag_language;
}
break;
}
}
$this->MergeExistingTagData('id3v2', $tag_data_id3v2);
return $tag_data_id3v2;
}
