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1 <?php |
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2 ///////////////////////////////////////////////////////////////// |
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3 /// getID3() by James Heinrich <info@getid3.org> // |
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4 // available at http://getid3.sourceforge.net // |
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5 // or http://www.getid3.org // |
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6 ///////////////////////////////////////////////////////////////// |
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7 // See readme.txt for more details // |
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8 ///////////////////////////////////////////////////////////////// |
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9 // // |
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10 // module.audio-video.asf.php // |
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11 // module for analyzing ASF, WMA and WMV files // |
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12 // dependencies: module.audio-video.riff.php // |
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13 // /// |
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14 ///////////////////////////////////////////////////////////////// |
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15 |
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16 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true); |
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17 |
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18 class getid3_asf extends getid3_handler |
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19 { |
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20 |
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21 public function __construct(getID3 $getid3) { |
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22 parent::__construct($getid3); // extends getid3_handler::__construct() |
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23 |
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24 // initialize all GUID constants |
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25 $GUIDarray = $this->KnownGUIDs(); |
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26 foreach ($GUIDarray as $GUIDname => $hexstringvalue) { |
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27 if (!defined($GUIDname)) { |
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28 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue)); |
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29 } |
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30 } |
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31 } |
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32 |
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33 public function Analyze() { |
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34 $info = &$this->getid3->info; |
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35 |
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36 // Shortcuts |
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37 $thisfile_audio = &$info['audio']; |
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38 $thisfile_video = &$info['video']; |
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39 $info['asf'] = array(); |
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40 $thisfile_asf = &$info['asf']; |
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41 $thisfile_asf['comments'] = array(); |
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42 $thisfile_asf_comments = &$thisfile_asf['comments']; |
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43 $thisfile_asf['header_object'] = array(); |
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44 $thisfile_asf_headerobject = &$thisfile_asf['header_object']; |
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45 |
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46 |
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47 // ASF structure: |
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48 // * Header Object [required] |
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49 // * File Properties Object [required] (global file attributes) |
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50 // * Stream Properties Object [required] (defines media stream & characteristics) |
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51 // * Header Extension Object [required] (additional functionality) |
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52 // * Content Description Object (bibliographic information) |
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53 // * Script Command Object (commands for during playback) |
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54 // * Marker Object (named jumped points within the file) |
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55 // * Data Object [required] |
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56 // * Data Packets |
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57 // * Index Object |
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58 |
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59 // Header Object: (mandatory, one only) |
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60 // Field Name Field Type Size (bits) |
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61 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object |
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62 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header |
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63 // Number of Header Objects DWORD 32 // number of objects in header object |
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64 // Reserved1 BYTE 8 // hardcoded: 0x01 |
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65 // Reserved2 BYTE 8 // hardcoded: 0x02 |
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66 |
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67 $info['fileformat'] = 'asf'; |
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68 |
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69 fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET); |
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70 $HeaderObjectData = fread($this->getid3->fp, 30); |
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71 |
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72 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16); |
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73 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']); |
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74 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) { |
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75 $info['warning'][] = 'ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}'; |
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76 unset($info['fileformat']); |
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77 unset($info['asf']); |
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78 return false; |
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79 break; |
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80 } |
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81 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8)); |
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82 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4)); |
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83 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1)); |
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84 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1)); |
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85 |
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86 $NextObjectOffset = ftell($this->getid3->fp); |
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87 $ASFHeaderData = fread($this->getid3->fp, $thisfile_asf_headerobject['objectsize'] - 30); |
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88 $offset = 0; |
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89 |
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90 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) { |
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91 $NextObjectGUID = substr($ASFHeaderData, $offset, 16); |
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92 $offset += 16; |
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93 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); |
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94 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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95 $offset += 8; |
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96 switch ($NextObjectGUID) { |
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97 |
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98 case GETID3_ASF_File_Properties_Object: |
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99 // File Properties Object: (mandatory, one only) |
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100 // Field Name Field Type Size (bits) |
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101 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object |
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102 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header |
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103 // File ID GUID 128 // unique ID - identical to File ID in Data Object |
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104 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1 |
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105 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1 |
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106 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1 |
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107 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1 |
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108 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1 |
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109 // Preroll QWORD 64 // time to buffer data before starting to play file, in 1-millisecond units. If <> 0, PlayDuration and PresentationTime have been offset by this amount |
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110 // Flags DWORD 32 // |
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111 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid |
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112 // * Seekable Flag bits 1 (0x02) // is file seekable |
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113 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero |
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114 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1 |
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115 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1 |
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116 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead |
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117 |
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118 // shortcut |
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119 $thisfile_asf['file_properties_object'] = array(); |
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120 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object']; |
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121 |
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122 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset; |
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123 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID; |
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124 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; |
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125 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize; |
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126 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16); |
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127 $offset += 16; |
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128 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']); |
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129 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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130 $offset += 8; |
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131 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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132 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']); |
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133 $offset += 8; |
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134 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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135 $offset += 8; |
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136 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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137 $offset += 8; |
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138 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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139 $offset += 8; |
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140 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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141 $offset += 8; |
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142 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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143 $offset += 4; |
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144 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001); |
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145 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002); |
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146 |
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147 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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148 $offset += 4; |
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149 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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150 $offset += 4; |
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151 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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152 $offset += 4; |
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153 |
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154 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) { |
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155 |
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156 // broadcast flag is set, some values invalid |
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157 unset($thisfile_asf_filepropertiesobject['filesize']); |
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158 unset($thisfile_asf_filepropertiesobject['data_packets']); |
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159 unset($thisfile_asf_filepropertiesobject['play_duration']); |
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160 unset($thisfile_asf_filepropertiesobject['send_duration']); |
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161 unset($thisfile_asf_filepropertiesobject['min_packet_size']); |
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162 unset($thisfile_asf_filepropertiesobject['max_packet_size']); |
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163 |
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164 } else { |
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165 |
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166 // broadcast flag NOT set, perform calculations |
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167 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000); |
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168 |
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169 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate']; |
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170 $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds']; |
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171 } |
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172 break; |
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173 |
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174 case GETID3_ASF_Stream_Properties_Object: |
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175 // Stream Properties Object: (mandatory, one per media stream) |
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176 // Field Name Field Type Size (bits) |
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177 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object |
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178 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header |
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179 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media |
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180 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types |
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181 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream |
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182 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field |
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183 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field |
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184 // Flags WORD 16 // |
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185 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127 |
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186 // * Reserved bits 8 (0x7F80) // reserved - set to zero |
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187 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set |
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188 // Reserved DWORD 32 // reserved - set to zero |
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189 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type |
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190 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type |
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191 |
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192 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the |
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193 // stream number isn't known until halfway through decoding the structure, hence it |
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194 // it is decoded to a temporary variable and then stuck in the appropriate index later |
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195 |
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196 $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset; |
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197 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID; |
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198 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext; |
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199 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize; |
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200 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16); |
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201 $offset += 16; |
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202 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']); |
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203 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16); |
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204 $offset += 16; |
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205 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']); |
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206 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
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207 $offset += 8; |
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208 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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209 $offset += 4; |
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210 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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211 $offset += 4; |
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212 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
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213 $offset += 2; |
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214 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F; |
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215 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000); |
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216 |
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217 $offset += 4; // reserved - DWORD |
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218 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']); |
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219 $offset += $StreamPropertiesObjectData['type_data_length']; |
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220 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']); |
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221 $offset += $StreamPropertiesObjectData['error_data_length']; |
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222 |
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223 switch ($StreamPropertiesObjectData['stream_type']) { |
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224 |
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225 case GETID3_ASF_Audio_Media: |
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226 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); |
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227 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr'); |
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228 |
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229 $audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16)); |
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230 unset($audiodata['raw']); |
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231 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio); |
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232 break; |
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233 |
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234 case GETID3_ASF_Video_Media: |
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235 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); |
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236 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr'); |
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237 break; |
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238 |
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239 case GETID3_ASF_Command_Media: |
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240 default: |
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241 // do nothing |
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242 break; |
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243 |
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244 } |
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245 |
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246 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData; |
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247 unset($StreamPropertiesObjectData); // clear for next stream, if any |
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248 break; |
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249 |
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250 case GETID3_ASF_Header_Extension_Object: |
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251 // Header Extension Object: (mandatory, one only) |
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252 // Field Name Field Type Size (bits) |
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253 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object |
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254 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header |
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255 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1 |
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256 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006 |
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257 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46 |
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258 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects |
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259 |
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260 // shortcut |
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261 $thisfile_asf['header_extension_object'] = array(); |
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262 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object']; |
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263 |
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264 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset; |
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265 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID; |
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266 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext; |
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267 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize; |
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268 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16); |
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269 $offset += 16; |
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270 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']); |
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271 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) { |
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272 $info['warning'][] = 'header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')'; |
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273 //return false; |
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274 break; |
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275 } |
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276 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
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277 $offset += 2; |
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278 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) { |
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279 $info['warning'][] = 'header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"'; |
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280 //return false; |
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281 break; |
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282 } |
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283 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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284 $offset += 4; |
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285 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']); |
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286 $unhandled_sections = 0; |
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287 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->ASF_HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections); |
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288 if ($unhandled_sections === 0) { |
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289 unset($thisfile_asf_headerextensionobject['extension_data']); |
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290 } |
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291 $offset += $thisfile_asf_headerextensionobject['extension_data_size']; |
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292 break; |
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293 |
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294 case GETID3_ASF_Codec_List_Object: |
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295 // Codec List Object: (optional, one only) |
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296 // Field Name Field Type Size (bits) |
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297 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object |
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298 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header |
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299 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6 |
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300 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array |
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301 // Codec Entries array of: variable // |
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302 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec |
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303 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field |
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304 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content |
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305 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field |
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306 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content |
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307 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field |
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308 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content |
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309 |
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310 // shortcut |
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311 $thisfile_asf['codec_list_object'] = array(); |
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312 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object']; |
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313 |
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314 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset; |
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315 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID; |
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316 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext; |
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317 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize; |
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318 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16); |
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319 $offset += 16; |
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320 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']); |
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321 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) { |
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322 $info['warning'][] = 'codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}'; |
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323 //return false; |
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324 break; |
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325 } |
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326 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
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327 $offset += 4; |
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328 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) { |
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329 // shortcut |
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330 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array(); |
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331 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter]; |
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332 |
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333 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
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334 $offset += 2; |
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335 $thisfile_asf_codeclistobject_codecentries_current['type'] = $this->ASFCodecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']); |
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336 |
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337 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character |
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338 $offset += 2; |
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339 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength); |
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340 $offset += $CodecNameLength; |
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341 |
|
342 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character |
|
343 $offset += 2; |
|
344 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength); |
|
345 $offset += $CodecDescriptionLength; |
|
346 |
|
347 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
348 $offset += 2; |
|
349 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength); |
|
350 $offset += $CodecInformationLength; |
|
351 |
|
352 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec |
|
353 |
|
354 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) { |
|
355 $info['warning'][] = '[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-seperated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"'; |
|
356 } else { |
|
357 |
|
358 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description'])); |
|
359 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']); |
|
360 |
|
361 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) { |
|
362 $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000); |
|
363 } |
|
364 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) { |
|
365 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) { |
|
366 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate']; |
|
367 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate']; |
|
368 } |
|
369 |
|
370 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency)); |
|
371 switch ($AudioCodecFrequency) { |
|
372 case 8: |
|
373 case 8000: |
|
374 $thisfile_audio['sample_rate'] = 8000; |
|
375 break; |
|
376 |
|
377 case 11: |
|
378 case 11025: |
|
379 $thisfile_audio['sample_rate'] = 11025; |
|
380 break; |
|
381 |
|
382 case 12: |
|
383 case 12000: |
|
384 $thisfile_audio['sample_rate'] = 12000; |
|
385 break; |
|
386 |
|
387 case 16: |
|
388 case 16000: |
|
389 $thisfile_audio['sample_rate'] = 16000; |
|
390 break; |
|
391 |
|
392 case 22: |
|
393 case 22050: |
|
394 $thisfile_audio['sample_rate'] = 22050; |
|
395 break; |
|
396 |
|
397 case 24: |
|
398 case 24000: |
|
399 $thisfile_audio['sample_rate'] = 24000; |
|
400 break; |
|
401 |
|
402 case 32: |
|
403 case 32000: |
|
404 $thisfile_audio['sample_rate'] = 32000; |
|
405 break; |
|
406 |
|
407 case 44: |
|
408 case 441000: |
|
409 $thisfile_audio['sample_rate'] = 44100; |
|
410 break; |
|
411 |
|
412 case 48: |
|
413 case 48000: |
|
414 $thisfile_audio['sample_rate'] = 48000; |
|
415 break; |
|
416 |
|
417 default: |
|
418 $info['warning'][] = 'unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')'; |
|
419 break; |
|
420 } |
|
421 |
|
422 if (!isset($thisfile_audio['channels'])) { |
|
423 if (strstr($AudioCodecChannels, 'stereo')) { |
|
424 $thisfile_audio['channels'] = 2; |
|
425 } elseif (strstr($AudioCodecChannels, 'mono')) { |
|
426 $thisfile_audio['channels'] = 1; |
|
427 } |
|
428 } |
|
429 |
|
430 } |
|
431 } |
|
432 } |
|
433 break; |
|
434 |
|
435 case GETID3_ASF_Script_Command_Object: |
|
436 // Script Command Object: (optional, one only) |
|
437 // Field Name Field Type Size (bits) |
|
438 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object |
|
439 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header |
|
440 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6 |
|
441 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects |
|
442 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects |
|
443 // Command Types array of: variable // |
|
444 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name |
|
445 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command |
|
446 // Commands array of: variable // |
|
447 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds |
|
448 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object |
|
449 // * Command Name Length WORD 16 // number of Unicode characters for Command Name |
|
450 // * Command Name WCHAR variable // array of Unicode characters - name of this command |
|
451 |
|
452 // shortcut |
|
453 $thisfile_asf['script_command_object'] = array(); |
|
454 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object']; |
|
455 |
|
456 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset; |
|
457 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID; |
|
458 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext; |
|
459 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize; |
|
460 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16); |
|
461 $offset += 16; |
|
462 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']); |
|
463 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) { |
|
464 $info['warning'][] = 'script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}'; |
|
465 //return false; |
|
466 break; |
|
467 } |
|
468 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
469 $offset += 2; |
|
470 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
471 $offset += 2; |
|
472 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) { |
|
473 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character |
|
474 $offset += 2; |
|
475 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); |
|
476 $offset += $CommandTypeNameLength; |
|
477 } |
|
478 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) { |
|
479 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
480 $offset += 4; |
|
481 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
482 $offset += 2; |
|
483 |
|
484 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character |
|
485 $offset += 2; |
|
486 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); |
|
487 $offset += $CommandTypeNameLength; |
|
488 } |
|
489 break; |
|
490 |
|
491 case GETID3_ASF_Marker_Object: |
|
492 // Marker Object: (optional, one only) |
|
493 // Field Name Field Type Size (bits) |
|
494 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object |
|
495 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header |
|
496 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB |
|
497 // Markers Count DWORD 32 // number of Marker structures in Marker Object |
|
498 // Reserved WORD 16 // hardcoded: 0x0000 |
|
499 // Name Length WORD 16 // number of bytes in the Name field |
|
500 // Name WCHAR variable // name of the Marker Object |
|
501 // Markers array of: variable // |
|
502 // * Offset QWORD 64 // byte offset into Data Object |
|
503 // * Presentation Time QWORD 64 // in 100-nanosecond units |
|
504 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding) |
|
505 // * Send Time DWORD 32 // in milliseconds |
|
506 // * Flags DWORD 32 // hardcoded: 0x00000000 |
|
507 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field |
|
508 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry |
|
509 // * Padding BYTESTREAM variable // optional padding bytes |
|
510 |
|
511 // shortcut |
|
512 $thisfile_asf['marker_object'] = array(); |
|
513 $thisfile_asf_markerobject = &$thisfile_asf['marker_object']; |
|
514 |
|
515 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset; |
|
516 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID; |
|
517 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext; |
|
518 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize; |
|
519 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16); |
|
520 $offset += 16; |
|
521 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']); |
|
522 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) { |
|
523 $info['warning'][] = 'marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}'; |
|
524 break; |
|
525 } |
|
526 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
527 $offset += 4; |
|
528 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
529 $offset += 2; |
|
530 if ($thisfile_asf_markerobject['reserved_2'] != 0) { |
|
531 $info['warning'][] = 'marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"'; |
|
532 break; |
|
533 } |
|
534 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
535 $offset += 2; |
|
536 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']); |
|
537 $offset += $thisfile_asf_markerobject['name_length']; |
|
538 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) { |
|
539 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
|
540 $offset += 8; |
|
541 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); |
|
542 $offset += 8; |
|
543 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
544 $offset += 2; |
|
545 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
546 $offset += 4; |
|
547 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
548 $offset += 4; |
|
549 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
550 $offset += 4; |
|
551 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']); |
|
552 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; |
|
553 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; |
|
554 if ($PaddingLength > 0) { |
|
555 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength); |
|
556 $offset += $PaddingLength; |
|
557 } |
|
558 } |
|
559 break; |
|
560 |
|
561 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object: |
|
562 // Bitrate Mutual Exclusion Object: (optional) |
|
563 // Field Name Field Type Size (bits) |
|
564 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object |
|
565 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header |
|
566 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown) |
|
567 // Stream Numbers Count WORD 16 // number of video streams |
|
568 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127 |
|
569 |
|
570 // shortcut |
|
571 $thisfile_asf['bitrate_mutual_exclusion_object'] = array(); |
|
572 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object']; |
|
573 |
|
574 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset; |
|
575 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID; |
|
576 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext; |
|
577 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize; |
|
578 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16); |
|
579 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']); |
|
580 $offset += 16; |
|
581 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) { |
|
582 $info['warning'][] = 'bitrate_mutual_exclusion_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']).'} does not match expected "GETID3_ASF_Mutex_Bitrate" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Bitrate).'} or "GETID3_ASF_Mutex_Unknown" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Unknown).'}'; |
|
583 //return false; |
|
584 break; |
|
585 } |
|
586 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
587 $offset += 2; |
|
588 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) { |
|
589 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
590 $offset += 2; |
|
591 } |
|
592 break; |
|
593 |
|
594 case GETID3_ASF_Error_Correction_Object: |
|
595 // Error Correction Object: (optional, one only) |
|
596 // Field Name Field Type Size (bits) |
|
597 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object |
|
598 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header |
|
599 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread) |
|
600 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field |
|
601 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field |
|
602 |
|
603 // shortcut |
|
604 $thisfile_asf['error_correction_object'] = array(); |
|
605 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object']; |
|
606 |
|
607 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset; |
|
608 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID; |
|
609 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext; |
|
610 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize; |
|
611 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16); |
|
612 $offset += 16; |
|
613 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']); |
|
614 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
615 $offset += 4; |
|
616 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) { |
|
617 case GETID3_ASF_No_Error_Correction: |
|
618 // should be no data, but just in case there is, skip to the end of the field |
|
619 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length']; |
|
620 break; |
|
621 |
|
622 case GETID3_ASF_Audio_Spread: |
|
623 // Field Name Field Type Size (bits) |
|
624 // Span BYTE 8 // number of packets over which audio will be spread. |
|
625 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream |
|
626 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream |
|
627 // Silence Data Length WORD 16 // number of bytes in Silence Data field |
|
628 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes |
|
629 |
|
630 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1)); |
|
631 $offset += 1; |
|
632 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
633 $offset += 2; |
|
634 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
635 $offset += 2; |
|
636 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
637 $offset += 2; |
|
638 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']); |
|
639 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length']; |
|
640 break; |
|
641 |
|
642 default: |
|
643 $info['warning'][] = 'error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['reserved']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}'; |
|
644 //return false; |
|
645 break; |
|
646 } |
|
647 |
|
648 break; |
|
649 |
|
650 case GETID3_ASF_Content_Description_Object: |
|
651 // Content Description Object: (optional, one only) |
|
652 // Field Name Field Type Size (bits) |
|
653 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object |
|
654 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header |
|
655 // Title Length WORD 16 // number of bytes in Title field |
|
656 // Author Length WORD 16 // number of bytes in Author field |
|
657 // Copyright Length WORD 16 // number of bytes in Copyright field |
|
658 // Description Length WORD 16 // number of bytes in Description field |
|
659 // Rating Length WORD 16 // number of bytes in Rating field |
|
660 // Title WCHAR 16 // array of Unicode characters - Title |
|
661 // Author WCHAR 16 // array of Unicode characters - Author |
|
662 // Copyright WCHAR 16 // array of Unicode characters - Copyright |
|
663 // Description WCHAR 16 // array of Unicode characters - Description |
|
664 // Rating WCHAR 16 // array of Unicode characters - Rating |
|
665 |
|
666 // shortcut |
|
667 $thisfile_asf['content_description_object'] = array(); |
|
668 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object']; |
|
669 |
|
670 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset; |
|
671 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID; |
|
672 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; |
|
673 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize; |
|
674 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
675 $offset += 2; |
|
676 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
677 $offset += 2; |
|
678 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
679 $offset += 2; |
|
680 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
681 $offset += 2; |
|
682 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
683 $offset += 2; |
|
684 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']); |
|
685 $offset += $thisfile_asf_contentdescriptionobject['title_length']; |
|
686 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']); |
|
687 $offset += $thisfile_asf_contentdescriptionobject['author_length']; |
|
688 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']); |
|
689 $offset += $thisfile_asf_contentdescriptionobject['copyright_length']; |
|
690 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']); |
|
691 $offset += $thisfile_asf_contentdescriptionobject['description_length']; |
|
692 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']); |
|
693 $offset += $thisfile_asf_contentdescriptionobject['rating_length']; |
|
694 |
|
695 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating'); |
|
696 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) { |
|
697 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) { |
|
698 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]); |
|
699 } |
|
700 } |
|
701 break; |
|
702 |
|
703 case GETID3_ASF_Extended_Content_Description_Object: |
|
704 // Extended Content Description Object: (optional, one only) |
|
705 // Field Name Field Type Size (bits) |
|
706 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object |
|
707 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header |
|
708 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list |
|
709 // Content Descriptors array of: variable // |
|
710 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field |
|
711 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name |
|
712 // * Descriptor Value Data Type WORD 16 // Lookup array: |
|
713 // 0x0000 = Unicode String (variable length) |
|
714 // 0x0001 = BYTE array (variable length) |
|
715 // 0x0002 = BOOL (DWORD, 32 bits) |
|
716 // 0x0003 = DWORD (DWORD, 32 bits) |
|
717 // 0x0004 = QWORD (QWORD, 64 bits) |
|
718 // 0x0005 = WORD (WORD, 16 bits) |
|
719 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field |
|
720 // * Descriptor Value variable variable // value for Content Descriptor |
|
721 |
|
722 // shortcut |
|
723 $thisfile_asf['extended_content_description_object'] = array(); |
|
724 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object']; |
|
725 |
|
726 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset; |
|
727 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID; |
|
728 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; |
|
729 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize; |
|
730 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
731 $offset += 2; |
|
732 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) { |
|
733 // shortcut |
|
734 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array(); |
|
735 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter]; |
|
736 |
|
737 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30; |
|
738 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
739 $offset += 2; |
|
740 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']); |
|
741 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']; |
|
742 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
743 $offset += 2; |
|
744 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
745 $offset += 2; |
|
746 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']); |
|
747 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']; |
|
748 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { |
|
749 case 0x0000: // Unicode string |
|
750 break; |
|
751 |
|
752 case 0x0001: // BYTE array |
|
753 // do nothing |
|
754 break; |
|
755 |
|
756 case 0x0002: // BOOL |
|
757 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); |
|
758 break; |
|
759 |
|
760 case 0x0003: // DWORD |
|
761 case 0x0004: // QWORD |
|
762 case 0x0005: // WORD |
|
763 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); |
|
764 break; |
|
765 |
|
766 default: |
|
767 $info['warning'][] = 'extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')'; |
|
768 //return false; |
|
769 break; |
|
770 } |
|
771 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) { |
|
772 |
|
773 case 'wm/albumartist': |
|
774 case 'artist': |
|
775 // Note: not 'artist', that comes from 'author' tag |
|
776 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
777 break; |
|
778 |
|
779 case 'wm/albumtitle': |
|
780 case 'album': |
|
781 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
782 break; |
|
783 |
|
784 case 'wm/genre': |
|
785 case 'genre': |
|
786 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
787 break; |
|
788 |
|
789 case 'wm/partofset': |
|
790 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
791 break; |
|
792 |
|
793 case 'wm/tracknumber': |
|
794 case 'tracknumber': |
|
795 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character) |
|
796 $thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
797 foreach ($thisfile_asf_comments['track'] as $key => $value) { |
|
798 if (preg_match('/^[0-9\x00]+$/', $value)) { |
|
799 $thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value)); |
|
800 } |
|
801 } |
|
802 break; |
|
803 |
|
804 case 'wm/track': |
|
805 if (empty($thisfile_asf_comments['track'])) { |
|
806 $thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
807 } |
|
808 break; |
|
809 |
|
810 case 'wm/year': |
|
811 case 'year': |
|
812 case 'date': |
|
813 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
814 break; |
|
815 |
|
816 case 'wm/lyrics': |
|
817 case 'lyrics': |
|
818 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
819 break; |
|
820 |
|
821 case 'isvbr': |
|
822 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) { |
|
823 $thisfile_audio['bitrate_mode'] = 'vbr'; |
|
824 $thisfile_video['bitrate_mode'] = 'vbr'; |
|
825 } |
|
826 break; |
|
827 |
|
828 case 'id3': |
|
829 // id3v2 module might not be loaded |
|
830 if (class_exists('getid3_id3v2')) { |
|
831 $tempfile = tempnam(GETID3_TEMP_DIR, 'getID3'); |
|
832 $tempfilehandle = fopen($tempfile, 'wb'); |
|
833 $tempThisfileInfo = array('encoding'=>$info['encoding']); |
|
834 fwrite($tempfilehandle, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); |
|
835 fclose($tempfilehandle); |
|
836 |
|
837 $getid3_temp = new getID3(); |
|
838 $getid3_temp->openfile($tempfile); |
|
839 $getid3_id3v2 = new getid3_id3v2($getid3_temp); |
|
840 $getid3_id3v2->Analyze(); |
|
841 $info['id3v2'] = $getid3_temp->info['id3v2']; |
|
842 unset($getid3_temp, $getid3_id3v2); |
|
843 |
|
844 unlink($tempfile); |
|
845 } |
|
846 break; |
|
847 |
|
848 case 'wm/encodingtime': |
|
849 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); |
|
850 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']); |
|
851 break; |
|
852 |
|
853 case 'wm/picture': |
|
854 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); |
|
855 foreach ($WMpicture as $key => $value) { |
|
856 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value; |
|
857 } |
|
858 unset($WMpicture); |
|
859 /* |
|
860 $wm_picture_offset = 0; |
|
861 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1)); |
|
862 $wm_picture_offset += 1; |
|
863 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = $this->WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']); |
|
864 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4)); |
|
865 $wm_picture_offset += 4; |
|
866 |
|
867 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; |
|
868 do { |
|
869 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); |
|
870 $wm_picture_offset += 2; |
|
871 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair; |
|
872 } while ($next_byte_pair !== "\x00\x00"); |
|
873 |
|
874 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = ''; |
|
875 do { |
|
876 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); |
|
877 $wm_picture_offset += 2; |
|
878 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair; |
|
879 } while ($next_byte_pair !== "\x00\x00"); |
|
880 |
|
881 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset; |
|
882 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset); |
|
883 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); |
|
884 |
|
885 $imageinfo = array(); |
|
886 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; |
|
887 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo); |
|
888 unset($imageinfo); |
|
889 if (!empty($imagechunkcheck)) { |
|
890 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); |
|
891 } |
|
892 if (!isset($thisfile_asf_comments['picture'])) { |
|
893 $thisfile_asf_comments['picture'] = array(); |
|
894 } |
|
895 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']); |
|
896 */ |
|
897 break; |
|
898 |
|
899 default: |
|
900 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { |
|
901 case 0: // Unicode string |
|
902 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') { |
|
903 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); |
|
904 } |
|
905 break; |
|
906 |
|
907 case 1: |
|
908 break; |
|
909 } |
|
910 break; |
|
911 } |
|
912 |
|
913 } |
|
914 break; |
|
915 |
|
916 case GETID3_ASF_Stream_Bitrate_Properties_Object: |
|
917 // Stream Bitrate Properties Object: (optional, one only) |
|
918 // Field Name Field Type Size (bits) |
|
919 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object |
|
920 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header |
|
921 // Bitrate Records Count WORD 16 // number of records in Bitrate Records |
|
922 // Bitrate Records array of: variable // |
|
923 // * Flags WORD 16 // |
|
924 // * * Stream Number bits 7 (0x007F) // number of this stream |
|
925 // * * Reserved bits 9 (0xFF80) // hardcoded: 0 |
|
926 // * Average Bitrate DWORD 32 // in bits per second |
|
927 |
|
928 // shortcut |
|
929 $thisfile_asf['stream_bitrate_properties_object'] = array(); |
|
930 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object']; |
|
931 |
|
932 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset; |
|
933 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID; |
|
934 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; |
|
935 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize; |
|
936 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
937 $offset += 2; |
|
938 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { |
|
939 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); |
|
940 $offset += 2; |
|
941 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F; |
|
942 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); |
|
943 $offset += 4; |
|
944 } |
|
945 break; |
|
946 |
|
947 case GETID3_ASF_Padding_Object: |
|
948 // Padding Object: (optional) |
|
949 // Field Name Field Type Size (bits) |
|
950 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object |
|
951 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header |
|
952 // Padding Data BYTESTREAM variable // ignore |
|
953 |
|
954 // shortcut |
|
955 $thisfile_asf['padding_object'] = array(); |
|
956 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object']; |
|
957 |
|
958 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset; |
|
959 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID; |
|
960 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext; |
|
961 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize; |
|
962 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8; |
|
963 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']); |
|
964 $offset += ($NextObjectSize - 16 - 8); |
|
965 break; |
|
966 |
|
967 case GETID3_ASF_Extended_Content_Encryption_Object: |
|
968 case GETID3_ASF_Content_Encryption_Object: |
|
969 // WMA DRM - just ignore |
|
970 $offset += ($NextObjectSize - 16 - 8); |
|
971 break; |
|
972 |
|
973 default: |
|
974 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. |
|
975 if ($this->GUIDname($NextObjectGUIDtext)) { |
|
976 $info['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8); |
|
977 } else { |
|
978 $info['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8); |
|
979 } |
|
980 $offset += ($NextObjectSize - 16 - 8); |
|
981 break; |
|
982 } |
|
983 } |
|
984 if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) { |
|
985 $ASFbitrateAudio = 0; |
|
986 $ASFbitrateVideo = 0; |
|
987 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) { |
|
988 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) { |
|
989 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) { |
|
990 case 1: |
|
991 $ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate']; |
|
992 break; |
|
993 |
|
994 case 2: |
|
995 $ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate']; |
|
996 break; |
|
997 |
|
998 default: |
|
999 // do nothing |
|
1000 break; |
|
1001 } |
|
1002 } |
|
1003 } |
|
1004 if ($ASFbitrateAudio > 0) { |
|
1005 $thisfile_audio['bitrate'] = $ASFbitrateAudio; |
|
1006 } |
|
1007 if ($ASFbitrateVideo > 0) { |
|
1008 $thisfile_video['bitrate'] = $ASFbitrateVideo; |
|
1009 } |
|
1010 } |
|
1011 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) { |
|
1012 |
|
1013 $thisfile_audio['bitrate'] = 0; |
|
1014 $thisfile_video['bitrate'] = 0; |
|
1015 |
|
1016 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) { |
|
1017 |
|
1018 switch ($streamdata['stream_type']) { |
|
1019 case GETID3_ASF_Audio_Media: |
|
1020 // Field Name Field Type Size (bits) |
|
1021 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure |
|
1022 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure |
|
1023 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure |
|
1024 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure |
|
1025 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure |
|
1026 // Bits per sample WORD 16 // bits per sample of mono data. set to zero for variable bitrate codecs. defined as wBitsPerSample field of WAVEFORMATEX structure |
|
1027 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure |
|
1028 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes |
|
1029 |
|
1030 // shortcut |
|
1031 $thisfile_asf['audio_media'][$streamnumber] = array(); |
|
1032 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber]; |
|
1033 |
|
1034 $audiomediaoffset = 0; |
|
1035 |
|
1036 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16)); |
|
1037 $audiomediaoffset += 16; |
|
1038 |
|
1039 $thisfile_audio['lossless'] = false; |
|
1040 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) { |
|
1041 case 0x0001: // PCM |
|
1042 case 0x0163: // WMA9 Lossless |
|
1043 $thisfile_audio['lossless'] = true; |
|
1044 break; |
|
1045 } |
|
1046 |
|
1047 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { |
|
1048 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { |
|
1049 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { |
|
1050 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate']; |
|
1051 $thisfile_audio['bitrate'] += $dataarray['bitrate']; |
|
1052 break; |
|
1053 } |
|
1054 } |
|
1055 } else { |
|
1056 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) { |
|
1057 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8; |
|
1058 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) { |
|
1059 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate']; |
|
1060 } |
|
1061 } |
|
1062 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream; |
|
1063 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']; |
|
1064 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless']; |
|
1065 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; |
|
1066 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma'; |
|
1067 unset($thisfile_audio['streams'][$streamnumber]['raw']); |
|
1068 |
|
1069 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2)); |
|
1070 $audiomediaoffset += 2; |
|
1071 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']); |
|
1072 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size']; |
|
1073 |
|
1074 break; |
|
1075 |
|
1076 case GETID3_ASF_Video_Media: |
|
1077 // Field Name Field Type Size (bits) |
|
1078 // Encoded Image Width DWORD 32 // width of image in pixels |
|
1079 // Encoded Image Height DWORD 32 // height of image in pixels |
|
1080 // Reserved Flags BYTE 8 // hardcoded: 0x02 |
|
1081 // Format Data Size WORD 16 // size of Format Data field in bytes |
|
1082 // Format Data array of: variable // |
|
1083 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure |
|
1084 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure |
|
1085 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure |
|
1086 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure |
|
1087 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure |
|
1088 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure |
|
1089 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure |
|
1090 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure |
|
1091 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure |
|
1092 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure |
|
1093 // * Important Colors Count DWORD 32 // number of color index required for displaying bitmap. if zero, all colors are required. defined as biClrImportant field of BITMAPINFOHEADER structure |
|
1094 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes |
|
1095 |
|
1096 // shortcut |
|
1097 $thisfile_asf['video_media'][$streamnumber] = array(); |
|
1098 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber]; |
|
1099 |
|
1100 $videomediaoffset = 0; |
|
1101 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1102 $videomediaoffset += 4; |
|
1103 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1104 $videomediaoffset += 4; |
|
1105 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1)); |
|
1106 $videomediaoffset += 1; |
|
1107 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); |
|
1108 $videomediaoffset += 2; |
|
1109 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1110 $videomediaoffset += 4; |
|
1111 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1112 $videomediaoffset += 4; |
|
1113 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1114 $videomediaoffset += 4; |
|
1115 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); |
|
1116 $videomediaoffset += 2; |
|
1117 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); |
|
1118 $videomediaoffset += 2; |
|
1119 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4); |
|
1120 $videomediaoffset += 4; |
|
1121 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1122 $videomediaoffset += 4; |
|
1123 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1124 $videomediaoffset += 4; |
|
1125 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1126 $videomediaoffset += 4; |
|
1127 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1128 $videomediaoffset += 4; |
|
1129 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); |
|
1130 $videomediaoffset += 4; |
|
1131 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset); |
|
1132 |
|
1133 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { |
|
1134 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { |
|
1135 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { |
|
1136 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate']; |
|
1137 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate']; |
|
1138 $thisfile_video['bitrate'] += $dataarray['bitrate']; |
|
1139 break; |
|
1140 } |
|
1141 } |
|
1142 } |
|
1143 |
|
1144 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']); |
|
1145 |
|
1146 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']; |
|
1147 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec']; |
|
1148 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width']; |
|
1149 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height']; |
|
1150 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']; |
|
1151 break; |
|
1152 |
|
1153 default: |
|
1154 break; |
|
1155 } |
|
1156 } |
|
1157 } |
|
1158 |
|
1159 while (ftell($this->getid3->fp) < $info['avdataend']) { |
|
1160 $NextObjectDataHeader = fread($this->getid3->fp, 24); |
|
1161 $offset = 0; |
|
1162 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16); |
|
1163 $offset += 16; |
|
1164 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); |
|
1165 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8)); |
|
1166 $offset += 8; |
|
1167 |
|
1168 switch ($NextObjectGUID) { |
|
1169 case GETID3_ASF_Data_Object: |
|
1170 // Data Object: (mandatory, one only) |
|
1171 // Field Name Field Type Size (bits) |
|
1172 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object |
|
1173 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1 |
|
1174 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object |
|
1175 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1 |
|
1176 // Reserved WORD 16 // hardcoded: 0x0101 |
|
1177 |
|
1178 // shortcut |
|
1179 $thisfile_asf['data_object'] = array(); |
|
1180 $thisfile_asf_dataobject = &$thisfile_asf['data_object']; |
|
1181 |
|
1182 $DataObjectData = $NextObjectDataHeader.fread($this->getid3->fp, 50 - 24); |
|
1183 $offset = 24; |
|
1184 |
|
1185 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID; |
|
1186 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext; |
|
1187 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize; |
|
1188 |
|
1189 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16); |
|
1190 $offset += 16; |
|
1191 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']); |
|
1192 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8)); |
|
1193 $offset += 8; |
|
1194 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2)); |
|
1195 $offset += 2; |
|
1196 if ($thisfile_asf_dataobject['reserved'] != 0x0101) { |
|
1197 $info['warning'][] = 'data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"'; |
|
1198 //return false; |
|
1199 break; |
|
1200 } |
|
1201 |
|
1202 // Data Packets array of: variable // |
|
1203 // * Error Correction Flags BYTE 8 // |
|
1204 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000 |
|
1205 // * * Opaque Data Present bits 1 // |
|
1206 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00 |
|
1207 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure |
|
1208 // * Error Correction Data |
|
1209 |
|
1210 $info['avdataoffset'] = ftell($this->getid3->fp); |
|
1211 fseek($this->getid3->fp, ($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data |
|
1212 $info['avdataend'] = ftell($this->getid3->fp); |
|
1213 break; |
|
1214 |
|
1215 case GETID3_ASF_Simple_Index_Object: |
|
1216 // Simple Index Object: (optional, recommended, one per video stream) |
|
1217 // Field Name Field Type Size (bits) |
|
1218 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object |
|
1219 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header |
|
1220 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object |
|
1221 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units |
|
1222 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries |
|
1223 // Index Entries Count DWORD 32 // number of Index Entries structures |
|
1224 // Index Entries array of: variable // |
|
1225 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry |
|
1226 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry |
|
1227 |
|
1228 // shortcut |
|
1229 $thisfile_asf['simple_index_object'] = array(); |
|
1230 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object']; |
|
1231 |
|
1232 $SimpleIndexObjectData = $NextObjectDataHeader.fread($this->getid3->fp, 56 - 24); |
|
1233 $offset = 24; |
|
1234 |
|
1235 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID; |
|
1236 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext; |
|
1237 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize; |
|
1238 |
|
1239 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16); |
|
1240 $offset += 16; |
|
1241 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']); |
|
1242 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8)); |
|
1243 $offset += 8; |
|
1244 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); |
|
1245 $offset += 4; |
|
1246 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); |
|
1247 $offset += 4; |
|
1248 |
|
1249 $IndexEntriesData = $SimpleIndexObjectData.fread($this->getid3->fp, 6 * $thisfile_asf_simpleindexobject['index_entries_count']); |
|
1250 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) { |
|
1251 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); |
|
1252 $offset += 4; |
|
1253 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); |
|
1254 $offset += 2; |
|
1255 } |
|
1256 |
|
1257 break; |
|
1258 |
|
1259 case GETID3_ASF_Index_Object: |
|
1260 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1) |
|
1261 // Field Name Field Type Size (bits) |
|
1262 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object |
|
1263 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header |
|
1264 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms. |
|
1265 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object. |
|
1266 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object. |
|
1267 |
|
1268 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0. |
|
1269 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater. |
|
1270 // Index Specifiers array of: varies // |
|
1271 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127. |
|
1272 // * Index Type WORD 16 // Specifies Index Type values as follows: |
|
1273 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time. |
|
1274 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object. |
|
1275 // 3 = Nearest Past Cleanpoint. - indexes point to the closest data packet containing an entire object (or first fragment of an object) that has the Cleanpoint Flag set. |
|
1276 // Nearest Past Cleanpoint is the most common type of index. |
|
1277 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block. |
|
1278 // * Block Positions QWORD varies // Specifies a list of byte offsets of the beginnings of the blocks relative to the beginning of the first Data Packet (i.e., the beginning of the Data Object + 50 bytes). The number of entries in this list is specified by the value of the Index Specifiers Count field. The order of those byte offsets is tied to the order in which Index Specifiers are listed. |
|
1279 // * Index Entries array of: varies // |
|
1280 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value |
|
1281 |
|
1282 // shortcut |
|
1283 $thisfile_asf['asf_index_object'] = array(); |
|
1284 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object']; |
|
1285 |
|
1286 $ASFIndexObjectData = $NextObjectDataHeader.fread($this->getid3->fp, 34 - 24); |
|
1287 $offset = 24; |
|
1288 |
|
1289 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID; |
|
1290 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext; |
|
1291 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize; |
|
1292 |
|
1293 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); |
|
1294 $offset += 4; |
|
1295 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); |
|
1296 $offset += 2; |
|
1297 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); |
|
1298 $offset += 4; |
|
1299 |
|
1300 $ASFIndexObjectData .= fread($this->getid3->fp, 4 * $thisfile_asf_asfindexobject['index_specifiers_count']); |
|
1301 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { |
|
1302 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); |
|
1303 $offset += 2; |
|
1304 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber; |
|
1305 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); |
|
1306 $offset += 2; |
|
1307 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']); |
|
1308 } |
|
1309 |
|
1310 $ASFIndexObjectData .= fread($this->getid3->fp, 4); |
|
1311 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); |
|
1312 $offset += 4; |
|
1313 |
|
1314 $ASFIndexObjectData .= fread($this->getid3->fp, 8 * $thisfile_asf_asfindexobject['index_specifiers_count']); |
|
1315 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { |
|
1316 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8)); |
|
1317 $offset += 8; |
|
1318 } |
|
1319 |
|
1320 $ASFIndexObjectData .= fread($this->getid3->fp, 4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']); |
|
1321 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) { |
|
1322 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { |
|
1323 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); |
|
1324 $offset += 4; |
|
1325 } |
|
1326 } |
|
1327 break; |
|
1328 |
|
1329 |
|
1330 default: |
|
1331 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. |
|
1332 if ($this->GUIDname($NextObjectGUIDtext)) { |
|
1333 $info['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8); |
|
1334 } else { |
|
1335 $info['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.(ftell($this->getid3->fp) - 16 - 8); |
|
1336 } |
|
1337 fseek($this->getid3->fp, ($NextObjectSize - 16 - 8), SEEK_CUR); |
|
1338 break; |
|
1339 } |
|
1340 } |
|
1341 |
|
1342 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) { |
|
1343 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { |
|
1344 switch ($streamdata['information']) { |
|
1345 case 'WMV1': |
|
1346 case 'WMV2': |
|
1347 case 'WMV3': |
|
1348 case 'MSS1': |
|
1349 case 'MSS2': |
|
1350 case 'WMVA': |
|
1351 case 'WVC1': |
|
1352 case 'WMVP': |
|
1353 case 'WVP2': |
|
1354 $thisfile_video['dataformat'] = 'wmv'; |
|
1355 $info['mime_type'] = 'video/x-ms-wmv'; |
|
1356 break; |
|
1357 |
|
1358 case 'MP42': |
|
1359 case 'MP43': |
|
1360 case 'MP4S': |
|
1361 case 'mp4s': |
|
1362 $thisfile_video['dataformat'] = 'asf'; |
|
1363 $info['mime_type'] = 'video/x-ms-asf'; |
|
1364 break; |
|
1365 |
|
1366 default: |
|
1367 switch ($streamdata['type_raw']) { |
|
1368 case 1: |
|
1369 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { |
|
1370 $thisfile_video['dataformat'] = 'wmv'; |
|
1371 if ($info['mime_type'] == 'video/x-ms-asf') { |
|
1372 $info['mime_type'] = 'video/x-ms-wmv'; |
|
1373 } |
|
1374 } |
|
1375 break; |
|
1376 |
|
1377 case 2: |
|
1378 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { |
|
1379 $thisfile_audio['dataformat'] = 'wma'; |
|
1380 if ($info['mime_type'] == 'video/x-ms-asf') { |
|
1381 $info['mime_type'] = 'audio/x-ms-wma'; |
|
1382 } |
|
1383 } |
|
1384 break; |
|
1385 |
|
1386 } |
|
1387 break; |
|
1388 } |
|
1389 } |
|
1390 } |
|
1391 |
|
1392 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') { |
|
1393 case 'MPEG Layer-3': |
|
1394 $thisfile_audio['dataformat'] = 'mp3'; |
|
1395 break; |
|
1396 |
|
1397 default: |
|
1398 break; |
|
1399 } |
|
1400 |
|
1401 if (isset($thisfile_asf_codeclistobject['codec_entries'])) { |
|
1402 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { |
|
1403 switch ($streamdata['type_raw']) { |
|
1404 |
|
1405 case 1: // video |
|
1406 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); |
|
1407 break; |
|
1408 |
|
1409 case 2: // audio |
|
1410 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); |
|
1411 |
|
1412 // AH 2003-10-01 |
|
1413 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']); |
|
1414 |
|
1415 $thisfile_audio['codec'] = $thisfile_audio['encoder']; |
|
1416 break; |
|
1417 |
|
1418 default: |
|
1419 $info['warning'][] = 'Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']; |
|
1420 break; |
|
1421 |
|
1422 } |
|
1423 } |
|
1424 } |
|
1425 |
|
1426 if (isset($info['audio'])) { |
|
1427 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); |
|
1428 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); |
|
1429 } |
|
1430 if (!empty($thisfile_video['dataformat'])) { |
|
1431 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); |
|
1432 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1); |
|
1433 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); |
|
1434 } |
|
1435 if (!empty($thisfile_video['streams'])) { |
|
1436 $thisfile_video['streams']['resolution_x'] = 0; |
|
1437 $thisfile_video['streams']['resolution_y'] = 0; |
|
1438 foreach ($thisfile_video['streams'] as $key => $valuearray) { |
|
1439 if (($valuearray['resolution_x'] > $thisfile_video['streams']['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['streams']['resolution_y'])) { |
|
1440 $thisfile_video['resolution_x'] = $valuearray['resolution_x']; |
|
1441 $thisfile_video['resolution_y'] = $valuearray['resolution_y']; |
|
1442 } |
|
1443 } |
|
1444 } |
|
1445 $info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0); |
|
1446 |
|
1447 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) { |
|
1448 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8); |
|
1449 } |
|
1450 |
|
1451 return true; |
|
1452 } |
|
1453 |
|
1454 public static function ASFCodecListObjectTypeLookup($CodecListType) { |
|
1455 static $ASFCodecListObjectTypeLookup = array(); |
|
1456 if (empty($ASFCodecListObjectTypeLookup)) { |
|
1457 $ASFCodecListObjectTypeLookup[0x0001] = 'Video Codec'; |
|
1458 $ASFCodecListObjectTypeLookup[0x0002] = 'Audio Codec'; |
|
1459 $ASFCodecListObjectTypeLookup[0xFFFF] = 'Unknown Codec'; |
|
1460 } |
|
1461 |
|
1462 return (isset($ASFCodecListObjectTypeLookup[$CodecListType]) ? $ASFCodecListObjectTypeLookup[$CodecListType] : 'Invalid Codec Type'); |
|
1463 } |
|
1464 |
|
1465 public static function KnownGUIDs() { |
|
1466 static $GUIDarray = array( |
|
1467 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A', |
|
1468 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8', |
|
1469 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8', |
|
1470 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6', |
|
1471 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B', |
|
1472 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E', |
|
1473 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E', |
|
1474 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E', |
|
1475 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C', |
|
1476 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB', |
|
1477 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B', |
|
1478 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E', |
|
1479 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343', |
|
1480 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C', |
|
1481 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054', |
|
1482 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6', |
|
1483 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB', |
|
1484 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6', |
|
1485 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365', |
|
1486 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7', |
|
1487 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C', |
|
1488 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C', |
|
1489 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C', |
|
1490 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C', |
|
1491 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC', |
|
1492 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2', |
|
1493 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85', |
|
1494 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6', |
|
1495 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6', |
|
1496 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365', |
|
1497 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185', |
|
1498 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95', |
|
1499 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD', |
|
1500 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9', |
|
1501 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365', |
|
1502 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9', |
|
1503 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9', |
|
1504 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B', |
|
1505 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365', |
|
1506 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B', |
|
1507 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220', |
|
1508 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA', |
|
1509 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD', |
|
1510 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249', |
|
1511 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850', |
|
1512 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24', |
|
1513 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC', |
|
1514 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE', |
|
1515 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE', |
|
1516 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE', |
|
1517 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE', |
|
1518 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE', |
|
1519 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE', |
|
1520 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE', |
|
1521 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE', |
|
1522 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE', |
|
1523 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE', |
|
1524 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE', |
|
1525 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE', |
|
1526 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE', |
|
1527 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE', |
|
1528 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE', |
|
1529 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE', |
|
1530 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE', |
|
1531 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE', |
|
1532 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE', |
|
1533 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE', |
|
1534 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE', |
|
1535 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE', |
|
1536 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE', |
|
1537 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE', |
|
1538 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE', |
|
1539 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE', |
|
1540 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE', |
|
1541 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE', |
|
1542 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE', |
|
1543 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE', |
|
1544 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE', |
|
1545 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE', |
|
1546 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE', |
|
1547 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE', |
|
1548 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE', |
|
1549 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE', |
|
1550 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE', |
|
1551 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE', |
|
1552 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE', |
|
1553 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE', |
|
1554 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE', |
|
1555 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE', |
|
1556 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE', |
|
1557 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE', |
|
1558 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE', |
|
1559 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE', |
|
1560 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE', |
|
1561 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE', |
|
1562 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE', |
|
1563 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE', |
|
1564 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE', |
|
1565 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE', |
|
1566 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C', |
|
1567 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B', |
|
1568 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365', |
|
1569 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24', |
|
1570 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B', |
|
1571 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C', |
|
1572 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE', |
|
1573 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html |
|
1574 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html |
|
1575 ); |
|
1576 return $GUIDarray; |
|
1577 } |
|
1578 |
|
1579 public static function GUIDname($GUIDstring) { |
|
1580 static $GUIDarray = array(); |
|
1581 if (empty($GUIDarray)) { |
|
1582 $GUIDarray = self::KnownGUIDs(); |
|
1583 } |
|
1584 return array_search($GUIDstring, $GUIDarray); |
|
1585 } |
|
1586 |
|
1587 public static function ASFIndexObjectIndexTypeLookup($id) { |
|
1588 static $ASFIndexObjectIndexTypeLookup = array(); |
|
1589 if (empty($ASFIndexObjectIndexTypeLookup)) { |
|
1590 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet'; |
|
1591 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object'; |
|
1592 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint'; |
|
1593 } |
|
1594 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid'); |
|
1595 } |
|
1596 |
|
1597 public static function GUIDtoBytestring($GUIDstring) { |
|
1598 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way: |
|
1599 // first 4 bytes are in little-endian order |
|
1600 // next 2 bytes are appended in little-endian order |
|
1601 // next 2 bytes are appended in little-endian order |
|
1602 // next 2 bytes are appended in big-endian order |
|
1603 // next 6 bytes are appended in big-endian order |
|
1604 |
|
1605 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string: |
|
1606 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp |
|
1607 |
|
1608 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2))); |
|
1609 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2))); |
|
1610 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2))); |
|
1611 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2))); |
|
1612 |
|
1613 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2))); |
|
1614 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2))); |
|
1615 |
|
1616 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2))); |
|
1617 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2))); |
|
1618 |
|
1619 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2))); |
|
1620 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2))); |
|
1621 |
|
1622 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2))); |
|
1623 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2))); |
|
1624 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2))); |
|
1625 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2))); |
|
1626 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2))); |
|
1627 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2))); |
|
1628 |
|
1629 return $hexbytecharstring; |
|
1630 } |
|
1631 |
|
1632 public static function BytestringToGUID($Bytestring) { |
|
1633 $GUIDstring = str_pad(dechex(ord($Bytestring{3})), 2, '0', STR_PAD_LEFT); |
|
1634 $GUIDstring .= str_pad(dechex(ord($Bytestring{2})), 2, '0', STR_PAD_LEFT); |
|
1635 $GUIDstring .= str_pad(dechex(ord($Bytestring{1})), 2, '0', STR_PAD_LEFT); |
|
1636 $GUIDstring .= str_pad(dechex(ord($Bytestring{0})), 2, '0', STR_PAD_LEFT); |
|
1637 $GUIDstring .= '-'; |
|
1638 $GUIDstring .= str_pad(dechex(ord($Bytestring{5})), 2, '0', STR_PAD_LEFT); |
|
1639 $GUIDstring .= str_pad(dechex(ord($Bytestring{4})), 2, '0', STR_PAD_LEFT); |
|
1640 $GUIDstring .= '-'; |
|
1641 $GUIDstring .= str_pad(dechex(ord($Bytestring{7})), 2, '0', STR_PAD_LEFT); |
|
1642 $GUIDstring .= str_pad(dechex(ord($Bytestring{6})), 2, '0', STR_PAD_LEFT); |
|
1643 $GUIDstring .= '-'; |
|
1644 $GUIDstring .= str_pad(dechex(ord($Bytestring{8})), 2, '0', STR_PAD_LEFT); |
|
1645 $GUIDstring .= str_pad(dechex(ord($Bytestring{9})), 2, '0', STR_PAD_LEFT); |
|
1646 $GUIDstring .= '-'; |
|
1647 $GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT); |
|
1648 $GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT); |
|
1649 $GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT); |
|
1650 $GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT); |
|
1651 $GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT); |
|
1652 $GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT); |
|
1653 |
|
1654 return strtoupper($GUIDstring); |
|
1655 } |
|
1656 |
|
1657 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) { |
|
1658 // FILETIME is a 64-bit unsigned integer representing |
|
1659 // the number of 100-nanosecond intervals since January 1, 1601 |
|
1660 // UNIX timestamp is number of seconds since January 1, 1970 |
|
1661 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days |
|
1662 if ($round) { |
|
1663 return intval(round(($FILETIME - 116444736000000000) / 10000000)); |
|
1664 } |
|
1665 return ($FILETIME - 116444736000000000) / 10000000; |
|
1666 } |
|
1667 |
|
1668 public static function WMpictureTypeLookup($WMpictureType) { |
|
1669 static $WMpictureTypeLookup = array(); |
|
1670 if (empty($WMpictureTypeLookup)) { |
|
1671 $WMpictureTypeLookup[0x03] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Front Cover'); |
|
1672 $WMpictureTypeLookup[0x04] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Back Cover'); |
|
1673 $WMpictureTypeLookup[0x00] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'User Defined'); |
|
1674 $WMpictureTypeLookup[0x05] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Leaflet Page'); |
|
1675 $WMpictureTypeLookup[0x06] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Media Label'); |
|
1676 $WMpictureTypeLookup[0x07] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lead Artist'); |
|
1677 $WMpictureTypeLookup[0x08] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Artist'); |
|
1678 $WMpictureTypeLookup[0x09] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Conductor'); |
|
1679 $WMpictureTypeLookup[0x0A] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band'); |
|
1680 $WMpictureTypeLookup[0x0B] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Composer'); |
|
1681 $WMpictureTypeLookup[0x0C] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lyricist'); |
|
1682 $WMpictureTypeLookup[0x0D] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Recording Location'); |
|
1683 $WMpictureTypeLookup[0x0E] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Recording'); |
|
1684 $WMpictureTypeLookup[0x0F] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Performance'); |
|
1685 $WMpictureTypeLookup[0x10] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Video Screen Capture'); |
|
1686 $WMpictureTypeLookup[0x12] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Illustration'); |
|
1687 $WMpictureTypeLookup[0x13] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band Logotype'); |
|
1688 $WMpictureTypeLookup[0x14] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Publisher Logotype'); |
|
1689 } |
|
1690 return (isset($WMpictureTypeLookup[$WMpictureType]) ? $WMpictureTypeLookup[$WMpictureType] : ''); |
|
1691 } |
|
1692 |
|
1693 public function ASF_HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) { |
|
1694 // http://msdn.microsoft.com/en-us/library/bb643323.aspx |
|
1695 |
|
1696 $offset = 0; |
|
1697 $objectOffset = 0; |
|
1698 $HeaderExtensionObjectParsed = array(); |
|
1699 while ($objectOffset < strlen($asf_header_extension_object_data)) { |
|
1700 $offset = $objectOffset; |
|
1701 $thisObject = array(); |
|
1702 |
|
1703 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16); |
|
1704 $offset += 16; |
|
1705 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']); |
|
1706 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']); |
|
1707 |
|
1708 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); |
|
1709 $offset += 8; |
|
1710 if ($thisObject['size'] <= 0) { |
|
1711 break; |
|
1712 } |
|
1713 |
|
1714 switch ($thisObject['guid']) { |
|
1715 case GETID3_ASF_Extended_Stream_Properties_Object: |
|
1716 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); |
|
1717 $offset += 8; |
|
1718 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']); |
|
1719 |
|
1720 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); |
|
1721 $offset += 8; |
|
1722 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']); |
|
1723 |
|
1724 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1725 $offset += 4; |
|
1726 |
|
1727 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1728 $offset += 4; |
|
1729 |
|
1730 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1731 $offset += 4; |
|
1732 |
|
1733 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1734 $offset += 4; |
|
1735 |
|
1736 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1737 $offset += 4; |
|
1738 |
|
1739 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1740 $offset += 4; |
|
1741 |
|
1742 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1743 $offset += 4; |
|
1744 |
|
1745 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1746 $offset += 4; |
|
1747 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001; |
|
1748 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002; |
|
1749 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004; |
|
1750 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008; |
|
1751 |
|
1752 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1753 $offset += 2; |
|
1754 |
|
1755 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1756 $offset += 2; |
|
1757 |
|
1758 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1759 $offset += 4; |
|
1760 |
|
1761 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1762 $offset += 2; |
|
1763 |
|
1764 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1765 $offset += 2; |
|
1766 |
|
1767 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) { |
|
1768 $streamName = array(); |
|
1769 |
|
1770 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1771 $offset += 2; |
|
1772 |
|
1773 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1774 $offset += 2; |
|
1775 |
|
1776 $streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length'])); |
|
1777 $offset += $streamName['stream_name_length']; |
|
1778 |
|
1779 $thisObject['stream_names'][$i] = $streamName; |
|
1780 } |
|
1781 |
|
1782 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) { |
|
1783 $payloadExtensionSystem = array(); |
|
1784 |
|
1785 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16); |
|
1786 $offset += 16; |
|
1787 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']); |
|
1788 |
|
1789 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1790 $offset += 2; |
|
1791 if ($payloadExtensionSystem['extension_system_size'] <= 0) { |
|
1792 break 2; |
|
1793 } |
|
1794 |
|
1795 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1796 $offset += 4; |
|
1797 |
|
1798 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length'])); |
|
1799 $offset += $payloadExtensionSystem['extension_system_info_length']; |
|
1800 |
|
1801 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem; |
|
1802 } |
|
1803 |
|
1804 break; |
|
1805 |
|
1806 case GETID3_ASF_Padding_Object: |
|
1807 // padding, skip it |
|
1808 break; |
|
1809 |
|
1810 case GETID3_ASF_Metadata_Object: |
|
1811 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1812 $offset += 2; |
|
1813 |
|
1814 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) { |
|
1815 $descriptionRecord = array(); |
|
1816 |
|
1817 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero |
|
1818 $offset += 2; |
|
1819 |
|
1820 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1821 $offset += 2; |
|
1822 |
|
1823 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1824 $offset += 2; |
|
1825 |
|
1826 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1827 $offset += 2; |
|
1828 $descriptionRecord['data_type_text'] = $this->ASFmetadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); |
|
1829 |
|
1830 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1831 $offset += 4; |
|
1832 |
|
1833 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); |
|
1834 $offset += $descriptionRecord['name_length']; |
|
1835 |
|
1836 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); |
|
1837 $offset += $descriptionRecord['data_length']; |
|
1838 switch ($descriptionRecord['data_type']) { |
|
1839 case 0x0000: // Unicode string |
|
1840 break; |
|
1841 |
|
1842 case 0x0001: // BYTE array |
|
1843 // do nothing |
|
1844 break; |
|
1845 |
|
1846 case 0x0002: // BOOL |
|
1847 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']); |
|
1848 break; |
|
1849 |
|
1850 case 0x0003: // DWORD |
|
1851 case 0x0004: // QWORD |
|
1852 case 0x0005: // WORD |
|
1853 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']); |
|
1854 break; |
|
1855 |
|
1856 case 0x0006: // GUID |
|
1857 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']); |
|
1858 break; |
|
1859 } |
|
1860 |
|
1861 $thisObject['description_record'][$i] = $descriptionRecord; |
|
1862 } |
|
1863 break; |
|
1864 |
|
1865 case GETID3_ASF_Language_List_Object: |
|
1866 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1867 $offset += 2; |
|
1868 |
|
1869 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) { |
|
1870 $languageIDrecord = array(); |
|
1871 |
|
1872 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); |
|
1873 $offset += 1; |
|
1874 |
|
1875 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']); |
|
1876 $offset += $languageIDrecord['language_id_length']; |
|
1877 |
|
1878 $thisObject['language_id_record'][$i] = $languageIDrecord; |
|
1879 } |
|
1880 break; |
|
1881 |
|
1882 case GETID3_ASF_Metadata_Library_Object: |
|
1883 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1884 $offset += 2; |
|
1885 |
|
1886 for ($i = 0; $i < $thisObject['description_records_count']; $i++) { |
|
1887 $descriptionRecord = array(); |
|
1888 |
|
1889 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1890 $offset += 2; |
|
1891 |
|
1892 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1893 $offset += 2; |
|
1894 |
|
1895 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1896 $offset += 2; |
|
1897 |
|
1898 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); |
|
1899 $offset += 2; |
|
1900 $descriptionRecord['data_type_text'] = $this->ASFmetadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); |
|
1901 |
|
1902 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); |
|
1903 $offset += 4; |
|
1904 |
|
1905 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); |
|
1906 $offset += $descriptionRecord['name_length']; |
|
1907 |
|
1908 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); |
|
1909 $offset += $descriptionRecord['data_length']; |
|
1910 |
|
1911 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) { |
|
1912 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']); |
|
1913 foreach ($WMpicture as $key => $value) { |
|
1914 $descriptionRecord['data'] = $WMpicture; |
|
1915 } |
|
1916 unset($WMpicture); |
|
1917 } |
|
1918 |
|
1919 $thisObject['description_record'][$i] = $descriptionRecord; |
|
1920 } |
|
1921 break; |
|
1922 |
|
1923 default: |
|
1924 $unhandled_sections++; |
|
1925 if ($this->GUIDname($thisObject['guid_text'])) { |
|
1926 $this->getid3->info['warning'][] = 'unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8); |
|
1927 } else { |
|
1928 $this->getid3->info['warning'][] = 'unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8); |
|
1929 } |
|
1930 break; |
|
1931 } |
|
1932 $HeaderExtensionObjectParsed[] = $thisObject; |
|
1933 |
|
1934 $objectOffset += $thisObject['size']; |
|
1935 } |
|
1936 return $HeaderExtensionObjectParsed; |
|
1937 } |
|
1938 |
|
1939 |
|
1940 public static function ASFmetadataLibraryObjectDataTypeLookup($id) { |
|
1941 static $ASFmetadataLibraryObjectDataTypeLookup = array( |
|
1942 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters |
|
1943 0x0001 => 'BYTE array', // The type of the data is implementation-specific |
|
1944 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values |
|
1945 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer |
|
1946 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer |
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1947 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer |
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1948 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID |
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1949 ); |
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1950 return (isset($ASFmetadataLibraryObjectDataTypeLookup[$id]) ? $ASFmetadataLibraryObjectDataTypeLookup[$id] : 'invalid'); |
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1951 } |
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1952 |
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1953 public function ASF_WMpicture(&$data) { |
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1954 //typedef struct _WMPicture{ |
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1955 // LPWSTR pwszMIMEType; |
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1956 // BYTE bPictureType; |
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1957 // LPWSTR pwszDescription; |
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1958 // DWORD dwDataLen; |
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1959 // BYTE* pbData; |
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1960 //} WM_PICTURE; |
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1961 |
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1962 $WMpicture = array(); |
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1963 |
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1964 $offset = 0; |
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1965 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1)); |
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1966 $offset += 1; |
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1967 $WMpicture['image_type'] = $this->WMpictureTypeLookup($WMpicture['image_type_id']); |
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1968 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4)); |
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1969 $offset += 4; |
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1970 |
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1971 $WMpicture['image_mime'] = ''; |
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1972 do { |
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1973 $next_byte_pair = substr($data, $offset, 2); |
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1974 $offset += 2; |
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1975 $WMpicture['image_mime'] .= $next_byte_pair; |
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1976 } while ($next_byte_pair !== "\x00\x00"); |
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1977 |
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1978 $WMpicture['image_description'] = ''; |
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1979 do { |
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1980 $next_byte_pair = substr($data, $offset, 2); |
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1981 $offset += 2; |
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1982 $WMpicture['image_description'] .= $next_byte_pair; |
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1983 } while ($next_byte_pair !== "\x00\x00"); |
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1984 |
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1985 $WMpicture['dataoffset'] = $offset; |
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1986 $WMpicture['data'] = substr($data, $offset); |
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1987 |
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1988 $imageinfo = array(); |
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1989 $WMpicture['image_mime'] = ''; |
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1990 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo); |
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1991 unset($imageinfo); |
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1992 if (!empty($imagechunkcheck)) { |
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1993 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); |
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1994 } |
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1995 if (!isset($this->getid3->info['asf']['comments']['picture'])) { |
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1996 $this->getid3->info['asf']['comments']['picture'] = array(); |
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1997 } |
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1998 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']); |
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1999 |
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2000 return $WMpicture; |
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2001 } |
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2002 |
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2003 |
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2004 // Remove terminator 00 00 and convert UTF-16LE to Latin-1 |
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2005 public static function TrimConvert($string) { |
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2006 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' '); |
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2007 } |
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2008 |
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2009 |
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2010 // Remove terminator 00 00 |
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2011 public static function TrimTerm($string) { |
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2012 // remove terminator, only if present (it should be, but...) |
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2013 if (substr($string, -2) === "\x00\x00") { |
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2014 $string = substr($string, 0, -2); |
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2015 } |
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2016 return $string; |
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2017 } |
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2018 |
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2019 } |