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-rw-r--r--getid3/module.audio.shorten.php180
1 files changed, 0 insertions, 180 deletions
diff --git a/getid3/module.audio.shorten.php b/getid3/module.audio.shorten.php
deleted file mode 100644
index a9eb1ab..0000000
--- a/getid3/module.audio.shorten.php
+++ /dev/null
@@ -1,180 +0,0 @@
-<?php
-/////////////////////////////////////////////////////////////////
-/// getID3() by James Heinrich <info@getid3.org> //
-// available at http://getid3.sourceforge.net //
-// or http://www.getid3.org //
-/////////////////////////////////////////////////////////////////
-// See readme.txt for more details //
-/////////////////////////////////////////////////////////////////
-// //
-// module.audio.shorten.php //
-// module for analyzing Shorten Audio files //
-// dependencies: NONE //
-// ///
-/////////////////////////////////////////////////////////////////
-
-
-class getid3_shorten
-{
-
- function getid3_shorten(&$fd, &$ThisFileInfo) {
-
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
-
- $ShortenHeader = fread($fd, 8);
- if (substr($ShortenHeader, 0, 4) != 'ajkg') {
- $ThisFileInfo['error'][] = 'Expecting "ajkg" at offset '.$ThisFileInfo['avdataoffset'].', found "'.substr($ShortenHeader, 0, 4).'"';
- return false;
- }
- $ThisFileInfo['fileformat'] = 'shn';
- $ThisFileInfo['audio']['dataformat'] = 'shn';
- $ThisFileInfo['audio']['lossless'] = true;
- $ThisFileInfo['audio']['bitrate_mode'] = 'vbr';
-
- $ThisFileInfo['shn']['version'] = getid3_lib::LittleEndian2Int(substr($ShortenHeader, 4, 1));
-
- fseek($fd, $ThisFileInfo['avdataend'] - 12, SEEK_SET);
- $SeekTableSignatureTest = fread($fd, 12);
- $ThisFileInfo['shn']['seektable']['present'] = (bool) (substr($SeekTableSignatureTest, 4, 8) == 'SHNAMPSK');
- if ($ThisFileInfo['shn']['seektable']['present']) {
- $ThisFileInfo['shn']['seektable']['length'] = getid3_lib::LittleEndian2Int(substr($SeekTableSignatureTest, 0, 4));
- $ThisFileInfo['shn']['seektable']['offset'] = $ThisFileInfo['avdataend'] - $ThisFileInfo['shn']['seektable']['length'];
- fseek($fd, $ThisFileInfo['shn']['seektable']['offset'], SEEK_SET);
- $SeekTableMagic = fread($fd, 4);
- if ($SeekTableMagic != 'SEEK') {
-
- $ThisFileInfo['error'][] = 'Expecting "SEEK" at offset '.$ThisFileInfo['shn']['seektable']['offset'].', found "'.$SeekTableMagic.'"';
- return false;
-
- } else {
-
- // typedef struct tag_TSeekEntry
- // {
- // unsigned long SampleNumber;
- // unsigned long SHNFileByteOffset;
- // unsigned long SHNLastBufferReadPosition;
- // unsigned short SHNByteGet;
- // unsigned short SHNBufferOffset;
- // unsigned short SHNFileBitOffset;
- // unsigned long SHNGBuffer;
- // unsigned short SHNBitShift;
- // long CBuf0[3];
- // long CBuf1[3];
- // long Offset0[4];
- // long Offset1[4];
- // }TSeekEntry;
-
- $SeekTableData = fread($fd, $ThisFileInfo['shn']['seektable']['length'] - 16);
- $ThisFileInfo['shn']['seektable']['entry_count'] = floor(strlen($SeekTableData) / 80);
- //$ThisFileInfo['shn']['seektable']['entries'] = array();
- //$SeekTableOffset = 0;
- //for ($i = 0; $i < $ThisFileInfo['shn']['seektable']['entry_count']; $i++) {
- // $SeekTableEntry['sample_number'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // $SeekTableEntry['shn_file_byte_offset'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // $SeekTableEntry['shn_last_buffer_read_position'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // $SeekTableEntry['shn_byte_get'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
- // $SeekTableOffset += 2;
- // $SeekTableEntry['shn_buffer_offset'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
- // $SeekTableOffset += 2;
- // $SeekTableEntry['shn_file_bit_offset'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
- // $SeekTableOffset += 2;
- // $SeekTableEntry['shn_gbuffer'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // $SeekTableEntry['shn_bit_shift'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
- // $SeekTableOffset += 2;
- // for ($j = 0; $j < 3; $j++) {
- // $SeekTableEntry['cbuf0'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // }
- // for ($j = 0; $j < 3; $j++) {
- // $SeekTableEntry['cbuf1'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // }
- // for ($j = 0; $j < 4; $j++) {
- // $SeekTableEntry['offset0'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // }
- // for ($j = 0; $j < 4; $j++) {
- // $SeekTableEntry['offset1'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
- // $SeekTableOffset += 4;
- // }
- //
- // $ThisFileInfo['shn']['seektable']['entries'][] = $SeekTableEntry;
- //}
-
- }
-
- }
-
- if ((bool) ini_get('safe_mode')) {
- $ThisFileInfo['error'][] = 'PHP running in Safe Mode - backtick operator not available, cannot run shntool to analyze Shorten files';
- return false;
- }
-
- if (GETID3_OS_ISWINDOWS) {
-
- $RequiredFiles = array('shorten.exe', 'cygwin1.dll', 'head.exe');
- foreach ($RequiredFiles as $required_file) {
- if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) {
- $ThisFileInfo['error'][] = GETID3_HELPERAPPSDIR.$required_file.' does not exist';
- return false;
- }
- }
- $commandline = GETID3_HELPERAPPSDIR.'shorten.exe -x "'.$ThisFileInfo['filenamepath'].'" - | '.GETID3_HELPERAPPSDIR.'head.exe -c 64';
- $commandline = str_replace('/', '\\', $commandline);
-
- } else {
-
- static $shorten_present;
- if (!isset($shorten_present)) {
- $shorten_present = file_exists('/usr/local/bin/shorten') || `which shorten`;
- }
- if (!$shorten_present) {
- $ThisFileInfo['error'][] = 'shorten binary was not found in path or /usr/local/bin';
- return false;
- }
- $commandline = (file_exists('/usr/local/bin/shorten') ? '/usr/local/bin/' : '' ) . 'shorten -x '.escapeshellarg($ThisFileInfo['filenamepath']).' - | head -c 64';
-
- }
-
- $output = `$commandline`;
-
- if (!empty($output) && (substr($output, 12, 4) == 'fmt ')) {
-
- getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
-
- $fmt_size = getid3_lib::LittleEndian2Int(substr($output, 16, 4));
- $DecodedWAVFORMATEX = getid3_riff::RIFFparseWAVEFORMATex(substr($output, 20, $fmt_size));
- $ThisFileInfo['audio']['channels'] = $DecodedWAVFORMATEX['channels'];
- $ThisFileInfo['audio']['bits_per_sample'] = $DecodedWAVFORMATEX['bits_per_sample'];
- $ThisFileInfo['audio']['sample_rate'] = $DecodedWAVFORMATEX['sample_rate'];
-
- if (substr($output, 20 + $fmt_size, 4) == 'data') {
-
- $ThisFileInfo['playtime_seconds'] = getid3_lib::LittleEndian2Int(substr($output, 20 + 4 + $fmt_size, 4)) / $DecodedWAVFORMATEX['raw']['nAvgBytesPerSec'];
-
- } else {
-
- $ThisFileInfo['error'][] = 'shorten failed to decode DATA chunk to expected location, cannot determine playtime';
- return false;
-
- }
-
- $ThisFileInfo['audio']['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds']) * 8;
-
- } else {
-
- $ThisFileInfo['error'][] = 'shorten failed to decode file to WAV for parsing';
- return false;
-
- }
-
- return true;
- }
-
-}
-
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-01 05:24:49 +0000