本文整理匯總了PHP中getid3_lib::fileextension方法的典型用法代碼示例。如果您正苦於以下問題：PHP getid3_lib::fileextension方法的具體用法？PHP getid3_lib::fileextension怎麽用？PHP getid3_lib::fileextension使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類getid3_lib的用法示例。
在下文中一共展示了getid3_lib::fileextension方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: ParseOptimFROGheader45
function ParseOptimFROGheader45(&$fd, &$ThisFileInfo)
{
// for fileformat of v4.50a and higher
$RIFFdata = '';
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
while (!feof($fd) && ftell($fd) < $ThisFileInfo['avdataend']) {
$BlockOffset = ftell($fd);
$BlockData = fread($fd, 8);
$offset = 8;
$BlockName = substr($BlockData, 0, 4);
$BlockSize = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 4));
if ($BlockName == 'OFRX') {
$BlockName = 'OFR ';
}
if (!isset($ThisFileInfo['ofr'][$BlockName])) {
$ThisFileInfo['ofr'][$BlockName] = array();
}
$thisfile_ofr_thisblock =& $ThisFileInfo['ofr'][$BlockName];
switch ($BlockName) {
case 'OFR ':
// shortcut
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
$ThisFileInfo['audio']['encoder'] = 'OptimFROG 4.50 alpha';
switch ($BlockSize) {
case 12:
case 15:
// good
break;
default:
$ThisFileInfo['warning'][] = '"' . $BlockName . '" contains more data than expected (expected 12 or 15 bytes, found ' . $BlockSize . ' bytes)';
break;
}
$BlockData .= fread($fd, $BlockSize);
$thisfile_ofr_thisblock['total_samples'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 6));
$offset += 6;
$thisfile_ofr_thisblock['raw']['sample_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$thisfile_ofr_thisblock['sample_type'] = $this->OptimFROGsampleTypeLookup($thisfile_ofr_thisblock['raw']['sample_type']);
$offset += 1;
$thisfile_ofr_thisblock['channel_config'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$thisfile_ofr_thisblock['channels'] = $thisfile_ofr_thisblock['channel_config'];
$offset += 1;
$thisfile_ofr_thisblock['sample_rate'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
$offset += 4;
if ($BlockSize > 12) {
// OFR 4.504b or higher
$thisfile_ofr_thisblock['channels'] = $this->OptimFROGchannelConfigNumChannelsLookup($thisfile_ofr_thisblock['channel_config']);
$thisfile_ofr_thisblock['raw']['encoder_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
$thisfile_ofr_thisblock['encoder'] = $this->OptimFROGencoderNameLookup($thisfile_ofr_thisblock['raw']['encoder_id']);
$offset += 2;
$thisfile_ofr_thisblock['raw']['compression'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$thisfile_ofr_thisblock['compression'] = $this->OptimFROGcompressionLookup($thisfile_ofr_thisblock['raw']['compression']);
$thisfile_ofr_thisblock['speedup'] = $this->OptimFROGspeedupLookup($thisfile_ofr_thisblock['raw']['compression']);
$offset += 1;
$ThisFileInfo['audio']['encoder'] = 'OptimFROG ' . $thisfile_ofr_thisblock['encoder'];
$ThisFileInfo['audio']['encoder_options'] = '--mode ' . $thisfile_ofr_thisblock['compression'];
if (($thisfile_ofr_thisblock['raw']['encoder_id'] & 0xf0) >> 4 == 7) {
// v4.507
if (strtolower(getid3_lib::fileextension($ThisFileInfo['filename'])) == 'ofs') {
// OptimFROG DualStream format is lossy, but as of v4.507 there is no way to tell the difference
// between lossless and lossy other than the file extension.
$ThisFileInfo['audio']['dataformat'] = 'ofs';
$ThisFileInfo['audio']['lossless'] = true;
}
}
}
$ThisFileInfo['audio']['channels'] = $thisfile_ofr_thisblock['channels'];
$ThisFileInfo['audio']['sample_rate'] = $thisfile_ofr_thisblock['sample_rate'];
$ThisFileInfo['audio']['bits_per_sample'] = $this->OptimFROGbitsPerSampleTypeLookup($thisfile_ofr_thisblock['raw']['sample_type']);
break;
case 'COMP':
// unlike other block types, there CAN be multiple COMP blocks
$COMPdata['offset'] = $BlockOffset;
$COMPdata['size'] = $BlockSize;
if ($ThisFileInfo['avdataoffset'] == 0) {
$ThisFileInfo['avdataoffset'] = $BlockOffset;
}
// Only interested in first 14 bytes (only first 12 needed for v4.50 alpha), not actual audio data
$BlockData .= fread($fd, 14);
fseek($fd, $BlockSize - 14, SEEK_CUR);
$COMPdata['crc_32'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
$offset += 4;
$COMPdata['sample_count'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
$offset += 4;
$COMPdata['raw']['sample_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$COMPdata['sample_type'] = $this->OptimFROGsampleTypeLookup($COMPdata['raw']['sample_type']);
$offset += 1;
$COMPdata['raw']['channel_configuration'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$COMPdata['channel_configuration'] = $this->OptimFROGchannelConfigurationLookup($COMPdata['raw']['channel_configuration']);
$offset += 1;
$COMPdata['raw']['algorithm_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
//$COMPdata['algorithm'] = OptimFROGalgorithmNameLookup($COMPdata['raw']['algorithm_id']);
$offset += 2;
if ($ThisFileInfo['ofr']['OFR ']['size'] > 12) {
// OFR 4.504b or higher
$COMPdata['raw']['encoder_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
$COMPdata['encoder'] = $this->OptimFROGencoderNameLookup($COMPdata['raw']['encoder_id']);
$offset += 2;
}
if ($COMPdata['crc_32'] == 0x454e4f4e) {
//.........這裏部分代碼省略.........