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-rw-r--r--getid3/module.audio-video.nsv.php224
1 files changed, 0 insertions, 224 deletions
diff --git a/getid3/module.audio-video.nsv.php b/getid3/module.audio-video.nsv.php
deleted file mode 100644
index dab0338..0000000
--- a/getid3/module.audio-video.nsv.php
+++ /dev/null
@@ -1,224 +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.nsv.php //
-// module for analyzing Nullsoft NSV files //
-// dependencies: NONE //
-// ///
-/////////////////////////////////////////////////////////////////
-
-
-class getid3_nsv
-{
-
- function getid3_nsv(&$fd, &$ThisFileInfo) {
-
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
- $NSVheader = fread($fd, 4);
-
- switch ($NSVheader) {
- case 'NSVs':
- if ($this->getNSVsHeaderFilepointer($fd, $ThisFileInfo, 0)) {
- $ThisFileInfo['fileformat'] = 'nsv';
- $ThisFileInfo['audio']['dataformat'] = 'nsv';
- $ThisFileInfo['video']['dataformat'] = 'nsv';
- $ThisFileInfo['audio']['lossless'] = false;
- $ThisFileInfo['video']['lossless'] = false;
- }
- break;
-
- case 'NSVf':
- if ($this->getNSVfHeaderFilepointer($fd, $ThisFileInfo, 0)) {
- $ThisFileInfo['fileformat'] = 'nsv';
- $ThisFileInfo['audio']['dataformat'] = 'nsv';
- $ThisFileInfo['video']['dataformat'] = 'nsv';
- $ThisFileInfo['audio']['lossless'] = false;
- $ThisFileInfo['video']['lossless'] = false;
- $this->getNSVsHeaderFilepointer($fd, $ThisFileInfo, $ThisFileInfo['nsv']['NSVf']['header_length']);
- }
- break;
-
- default:
- $ThisFileInfo['error'][] = 'Expecting "NSVs" or "NSVf" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$NSVheader.'"';
- return false;
- break;
- }
-
- if (!isset($ThisFileInfo['nsv']['NSVf'])) {
- $ThisFileInfo['warning'][] = 'NSVf header not present - cannot calculate playtime or bitrate';
- }
-
- return true;
- }
-
- function getNSVsHeaderFilepointer(&$fd, &$ThisFileInfo, $fileoffset) {
- fseek($fd, $fileoffset, SEEK_SET);
- $NSVsheader = fread($fd, 28);
- $offset = 0;
-
- $ThisFileInfo['nsv']['NSVs']['identifier'] = substr($NSVsheader, $offset, 4);
- $offset += 4;
-
- if ($ThisFileInfo['nsv']['NSVs']['identifier'] != 'NSVs') {
- $ThisFileInfo['error'][] = 'expected "NSVs" at offset ('.$fileoffset.'), found "'.$ThisFileInfo['nsv']['NSVs']['identifier'].'" instead';
- unset($ThisFileInfo['nsv']['NSVs']);
- return false;
- }
-
- $ThisFileInfo['nsv']['NSVs']['offset'] = $fileoffset;
-
- $ThisFileInfo['nsv']['NSVs']['video_codec'] = substr($NSVsheader, $offset, 4);
- $offset += 4;
- $ThisFileInfo['nsv']['NSVs']['audio_codec'] = substr($NSVsheader, $offset, 4);
- $offset += 4;
- $ThisFileInfo['nsv']['NSVs']['resolution_x'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 2));
- $offset += 2;
- $ThisFileInfo['nsv']['NSVs']['resolution_y'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 2));
- $offset += 2;
-
- $ThisFileInfo['nsv']['NSVs']['framerate_index'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown1b'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown1c'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown1d'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown2a'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown2b'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown2c'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- //$ThisFileInfo['nsv']['NSVs']['unknown2d'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
-
- switch ($ThisFileInfo['nsv']['NSVs']['audio_codec']) {
- case 'PCM ':
- $ThisFileInfo['nsv']['NSVs']['bits_channel'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- $ThisFileInfo['nsv']['NSVs']['channels'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
- $offset += 1;
- $ThisFileInfo['nsv']['NSVs']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 2));
- $offset += 2;
-
- $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['nsv']['NSVs']['sample_rate'];
- break;
-
- case 'MP3 ':
- case 'NONE':
- default:
- //$ThisFileInfo['nsv']['NSVs']['unknown3'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 4));
- $offset += 4;
- break;
- }
-
- $ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['nsv']['NSVs']['resolution_x'];
- $ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['nsv']['NSVs']['resolution_y'];
- $ThisFileInfo['nsv']['NSVs']['frame_rate'] = $this->NSVframerateLookup($ThisFileInfo['nsv']['NSVs']['framerate_index']);
- $ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['nsv']['NSVs']['frame_rate'];
- $ThisFileInfo['video']['bits_per_sample'] = 24;
- $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
-
- return true;
- }
-
- function getNSVfHeaderFilepointer(&$fd, &$ThisFileInfo, $fileoffset, $getTOCoffsets=false) {
- fseek($fd, $fileoffset, SEEK_SET);
- $NSVfheader = fread($fd, 28);
- $offset = 0;
-
- $ThisFileInfo['nsv']['NSVf']['identifier'] = substr($NSVfheader, $offset, 4);
- $offset += 4;
-
- if ($ThisFileInfo['nsv']['NSVf']['identifier'] != 'NSVf') {
- $ThisFileInfo['error'][] = 'expected "NSVf" at offset ('.$fileoffset.'), found "'.$ThisFileInfo['nsv']['NSVf']['identifier'].'" instead';
- unset($ThisFileInfo['nsv']['NSVf']);
- return false;
- }
-
- $ThisFileInfo['nsv']['NSVs']['offset'] = $fileoffset;
-
- $ThisFileInfo['nsv']['NSVf']['header_length'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
- $ThisFileInfo['nsv']['NSVf']['file_size'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
-
- if ($ThisFileInfo['nsv']['NSVf']['file_size'] > $ThisFileInfo['avdataend']) {
- $ThisFileInfo['warning'][] = 'truncated file - NSVf header indicates '.$ThisFileInfo['nsv']['NSVf']['file_size'].' bytes, file actually '.$ThisFileInfo['avdataend'].' bytes';
- }
-
- $ThisFileInfo['nsv']['NSVf']['playtime_ms'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
- $ThisFileInfo['nsv']['NSVf']['meta_size'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
- $ThisFileInfo['nsv']['NSVf']['TOC_entries_1'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
- $ThisFileInfo['nsv']['NSVf']['TOC_entries_2'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
-
- if ($ThisFileInfo['nsv']['NSVf']['playtime_ms'] == 0) {
- $ThisFileInfo['error'][] = 'Corrupt NSV file: NSVf.playtime_ms == zero';
- return false;
- }
-
- $NSVfheader .= fread($fd, $ThisFileInfo['nsv']['NSVf']['meta_size'] + (4 * $ThisFileInfo['nsv']['NSVf']['TOC_entries_1']) + (4 * $ThisFileInfo['nsv']['NSVf']['TOC_entries_2']));
- $NSVfheaderlength = strlen($NSVfheader);
- $ThisFileInfo['nsv']['NSVf']['metadata'] = substr($NSVfheader, $offset, $ThisFileInfo['nsv']['NSVf']['meta_size']);
- $offset += $ThisFileInfo['nsv']['NSVf']['meta_size'];
-
- if ($getTOCoffsets) {
- $TOCcounter = 0;
- while ($TOCcounter < $ThisFileInfo['nsv']['NSVf']['TOC_entries_1']) {
- if ($TOCcounter < $ThisFileInfo['nsv']['NSVf']['TOC_entries_1']) {
- $ThisFileInfo['nsv']['NSVf']['TOC_1'][$TOCcounter] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
- $offset += 4;
- $TOCcounter++;
- }
- }
- }
-
- if (trim($ThisFileInfo['nsv']['NSVf']['metadata']) != '') {
- $ThisFileInfo['nsv']['NSVf']['metadata'] = str_replace('`', "\x01", $ThisFileInfo['nsv']['NSVf']['metadata']);
- $CommentPairArray = explode("\x01".' ', $ThisFileInfo['nsv']['NSVf']['metadata']);
- foreach ($CommentPairArray as $CommentPair) {
- if (strstr($CommentPair, '='."\x01")) {
- list($key, $value) = explode('='."\x01", $CommentPair, 2);
- $ThisFileInfo['nsv']['comments'][strtolower($key)][] = trim(str_replace("\x01", '', $value));
- }
- }
- }
-
- $ThisFileInfo['playtime_seconds'] = $ThisFileInfo['nsv']['NSVf']['playtime_ms'] / 1000;
- $ThisFileInfo['bitrate'] = ($ThisFileInfo['nsv']['NSVf']['file_size'] * 8) / $ThisFileInfo['playtime_seconds'];
-
- return true;
- }
-
-
- function NSVframerateLookup($framerateindex) {
- if ($framerateindex <= 127) {
- return (float) $framerateindex;
- }
-
- static $NSVframerateLookup = array();
- if (empty($NSVframerateLookup)) {
- $NSVframerateLookup[129] = (float) 29.970;
- $NSVframerateLookup[131] = (float) 23.976;
- $NSVframerateLookup[133] = (float) 14.985;
- $NSVframerateLookup[197] = (float) 59.940;
- $NSVframerateLookup[199] = (float) 47.952;
- }
- return (isset($NSVframerateLookup[$framerateindex]) ? $NSVframerateLookup[$framerateindex] : false);
- }
-
-}
-
-
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 16:44:46 +0000