function parseContent($tagCode, $content, $opts = array()) { $reader = new IO_Bit(); $reader->input($content); if ($tagCode == 59) { // DoInitAction $this->_spriteId = $reader->getUI16LE(); } $i = 0; while ($reader->hasNextData(1)) { list($byteOffset, $dummy) = $reader->getOffset(); $action = IO_SWF_Type_Action::parse($reader); list($nextByteOffset, $dummy) = $reader->getOffset(); // $this->_byteOffsetTable[$i] = $byteOffset; $this->_byteSizeTable[$i] = $nextByteOffset - $byteOffset; $recordOffsetToByteOffset[$i] = $byteOffset; $byteOffsetToRecordOffset[$byteOffset] = $i; // $this->_actions[] = $action; $i++; } if ($i > 0) { $recordOffsetToByteOffset[$i] = $nextByteOffset; $byteOffsetToRecordOffset[$nextByteOffset] = $i; $byteOffsetToRecordOffset[$nextByteOffset] = $i; } $label_num = 0; foreach ($this->_actions as $i => $action) { if ($action['Code'] == 0x99) { // Jump $branch_offset = $action['BranchOffset']; } else { if ($action['Code'] == 0x9d) { // If $branch_offset = $action['Offset']; } else { continue; } } $targetByteOffset = $recordOffsetToByteOffset[$i + 1] + $branch_offset; if (isset($byteOffsetToRecordOffset[$targetByteOffset])) { $targetRecordOffset = $byteOffsetToRecordOffset[$targetByteOffset]; if (isset($this->_labels[$targetRecordOffset]) === false) { $this->_labels[$targetRecordOffset] = $targetRecordOffset; } $this->_branches[$i] = $this->_labels[$targetRecordOffset]; } } }
function parse($mididata) { $this->_mididata = $mididata; $reader = new IO_Bit(); $reader->input($mididata); while ($reader->hasNextData(4)) { $chunk = $this->_parseChunk($reader); if (isset($chunk['header'])) { $this->header = $chunk; } elseif (isset($chunk['track'])) { $this->tracks[] = $chunk; } elseif (isset($chunk['xfinfo'])) { $this->xfinfo = $chunk; } elseif (isset($chunk['xfkaraoke'])) { $this->xfkaraoke = $chunk; } else { fprintf(STDERR, "Can't parse chunk.\n"); break; } } }
function parseChunkData() { if (isset($this->detail)) { return; } $detailData = array(); $id = $this->id; $reader = new IO_Bit(); $reader->input($this->data); $this->data = null; // XXX switch ($id) { // INFO sub-chunks case 'ifil': $detailData['sfVersionMajor'] = $reader->getUI16LE(); $detailData['sfVersionMinor'] = $reader->getUI16LE(); break; case 'INAM': $detailData['sfName'] = $this->data; // String break; case 'isng': $detailData['sfEngine'] = $this->data; // String break; case 'IENG': $detailData['sfEngineers'] = $this->data; // String break; case 'ISFT': $detailData['sfTools'] = $this->data; // String break; case 'ICMT': $detailData['Comments'] = $this->data; // String break; case 'ICOP': $detailData['Copyright'] = $this->data; // String break; // sdta sub-chunks // sdta sub-chunks case 'smpl': $detailData['Samples'] = $this->data; // String break; // pdta sub-chunks // pdta sub-chunks case 'phdr': $detailData = array(); while ($reader->hasNextData()) { $preset = array(); $presetName = explode("", $reader->getData(20)); $preset['PresetName'] = $presetName[0]; $preset['Preset'] = $reader->getUI16LE(); $preset['Bank'] = $reader->getUI16LE(); $preset['PresetBagNdx'] = $reader->getUI16LE(); $preset['Library'] = $reader->getUI32LE(); $preset['Genre'] = $reader->getUI32LE(); $preset['MorphologyGenre'] = $reader->getUI32LE(); $detailData[] = $preset; } break; case 'pbag': $detailData = array(); while ($reader->hasNextData()) { $presetBag = array(); $presetBag['GenNdx'] = $reader->getUI16LE(); $presetBag['ModNdx'] = $reader->getUI16LE(); $detailData[] = $presetBag; } break; case 'pmod': case 'imod': $detailData = array(); while ($reader->hasNextData()) { $sfMod = array(); $sfMod['sfModSrcOper'] = IO_SoundFont_Modulator::parse($reader); $sfMod['sfModDestOper'] = $reader->getUI16LE(); $sfMod['modAmount'] = $reader->getSI16LE(); $sfMod['sfModAmtSrcOper'] = IO_SoundFont_Modulator::parse($reader); $sfMod['sfModTransOper'] = $reader->getUI16LE(); $detailData[] = $sfMod; } break; case 'pgen': case 'igen': $detailData = array(); while ($reader->hasNextData()) { $detailData[] = IO_SoundFont_Generator::parse($reader); } break; case 'inst': $detailData = array(); while ($reader->hasNextData()) { $sfInst = array(); $InstName = explode("", $reader->getData(20)); $sfInst['InstName'] = $InstName[0]; $sfInst['InstBagNdx'] = $reader->getSI16LE(); $detailData[] = $sfInst; } break; case 'ibag': $detailData = array(); while ($reader->hasNextData()) { $presetBag = array(); $presetBag['GenNdx'] = $reader->getUI16LE(); $presetBag['ModNdx'] = $reader->getUI16LE(); $detailData[] = $presetBag; } break; case 'shdr': $detailData = array(); while ($reader->hasNextData()) { $sfSample = array(); $SampleName = explode("", $reader->getData(20)); $sfSample['SampleName'] = $SampleName[0]; $sfSample['Start'] = $reader->getUI32LE(); $sfSample['End'] = $reader->getUI32LE(); $sfSample['StartLoop'] = $reader->getUI32LE(); $sfSample['EndLoop'] = $reader->getUI32LE(); $sfSample['SampleRate'] = $reader->getUI32LE(); $sfSample['OriginalPitch'] = $reader->getUI8(); $sfSample['PitchCorrection'] = $reader->getSI8(); $sfSample['SampleLink'] = $reader->getUI16LE(); $sfSample['SampleType'] = $reader->getUI16LE(); $detailData[] = $sfSample; } break; default: return; // nothing to do break; } $this->detail = $detailData; }
function _splitChunk($eoiFinish = true, $sosScan = true) { $bitin = new IO_Bit(); $bitin->input($this->_jpegdata); while ($bitin->hasNextData()) { $marker1 = $bitin->getUI8(); if ($marker1 != 0xff) { fprintf(STDERR, "dumpChunk: marker1=0x%02X", $marker1); return false; } $marker2 = $bitin->getUI8(); switch ($marker2) { case 0xd8: // SOI (Start of Image) $this->_jpegChunk[] = array('marker' => $marker2, 'data' => null, 'length' => null); continue; case 0xd9: // EOI (End of Image) $this->_jpegChunk[] = array('marker' => $marker2, 'data' => null, 'length' => null); if ($eoiFinish) { break 2; // while break; } continue; case 0xda: // SOS if ($sosScan === false) { $remainData = $bitin->getDataUntil(false); $this->_jpegChunk[] = array('marker' => $marker2, 'data' => $remainData, 'length' => null); break 2; // while break; } case 0xd0: case 0xd1: case 0xd2: case 0xd3: // RST // RST case 0xd4: case 0xd5: case 0xd6: case 0xd7: // RST list($chunk_data_offset, $dummy) = $bitin->getOffset(); while (true) { $next_marker1 = $bitin->getUI8(); if ($next_marker1 != 0xff) { continue; } $next_marker2 = $bitin->getUI8(); if ($next_marker2 == 0x0) { continue; } $bitin->incrementOffset(-2, 0); // back from next marker list($next_chunk_offset, $dummy) = $bitin->getOffset(); $length = $next_chunk_offset - $chunk_data_offset; $bitin->setOffset($chunk_data_offset, 0); $this->_jpegChunk[] = array('marker' => $marker2, 'data' => $bitin->getData($length), 'length' => null); break; } break; default: $length = $bitin->getUI16BE(); $this->_jpegChunk[] = array('marker' => $marker2, 'data' => $bitin->getData($length - 2), 'length' => $length); continue; } } }
function parse($mfidata) { $reader = new IO_Bit(); $reader->input($mfidata); // Header Part $identifier = $reader->getData(4); if ($identifier != 'melo') { throw new Exception('Identifer($identifier) is not melo'); } $this->headers['Identifier'] = $identifier; $fileLength = $reader->getUI32BE(); $realFileLength = strlen($mfidata); if ($fileLength != $realFileLength - 8) { throw new Exception("FileLength({$fileLength}) is not real FileLength({$realFileLength}) - 8"); } $this->headers['FileLength'] = $fileLength; $offsetToTrack = $reader->getUI16BE(); $this->headers['OffsetToTrack'] = $offsetToTrack; $this->headers['DataTypeMajor'] = $reader->getUI8(); $this->headers['DataTypeMinor'] = $reader->getUI8(); $this->headers['NumberOfTrack'] = $reader->getUI8(); // Data Information Part $reader_di = new IO_Bit(); $reader_di->input($reader->getData($offsetToTrack - 3)); $note_message_length_info = 0; while ($reader_di->hasNextData(6)) { $info = array(); $identifer = $reader_di->getData(4); $length = $reader_di->getUI16BE(); $info['Identifer'] = $identifer; $info['Length'] = $length; switch ($identifer) { case 'titl': case 'copy': case 'prot': case 'date': $data = $reader_di->getData($length); break; case 'sorc': $data = $reader_di->getUI8($length); break; case 'note': case 'exst': $data = $reader_di->getUI16BE($length); if ($identifer == 'note') { $note_message_length_info = $data; } break; case 'vers': $data = $reader_di->getUI32BE($length); break; } $info['Data'] = $data; $this->datainfos[] = $info; } // Track Part while ($reader->hasNextData(8)) { $track = array(); $track['Identifer'] = $reader->getData(4); $length = $reader->getUI32BE(); $track['Length'] = $length; $reader_ev = new IO_Bit(); $reader_ev->input($reader->getData($length)); $track['Events'] = array(); while ($reader_ev->hasNextData(3)) { $event = array(); $event['DeltaTime'] = $reader_ev->getUI8(); $statusInfo = $reader_ev->getUI8(); $event['StatusInfo'] = $statusInfo; switch ($statusInfo) { default: $event['Data'] = $reader_ev->getUI8(); if ($note_message_length_info == 1) { // MFi2 $event['Data2'] = $reader_ev->getUI8(); } break; case 0xff: $statusInfo2 = $reader_ev->getUI8(); $event['StatusInfo2'] = $statusInfo2; switch ($statusInfo2) { default: $event['Data'] = $reader_ev->getUI8(); break; case 0xf0: case 0xf1: case 0xff: $length = $reader_ev->getUI16BE(); $event['Length'] = $length; $event['Data'] = $reader_ev->getData($length); break; } } $track['Events'][] = $event; } $this->tracks[] = $track; } }
function parseDataChunks(&$reader) { $chunks = array(); while ($reader->hasNextData(8)) { $chunk = array(); $chunkID = $reader->getData(4); $size = $reader->getUI32BE(); $chunk['ID'] = $chunkID; $chunkID_3byte = substr($chunkID, 0, 3); $chunkID_4th_value = ord($chunkID[3]); switch ($chunkID_3byte) { case 'Dch': $chunk['ID'] = $chunkID_3byte; $chunk['CodeType'] = $chunkID_4th_value; break; case 'MTR': case 'ATR': case 'GTR': $chunk['ID'] = $chunkID_3byte; $chunk['TrackNumber'] = $chunkID_4th_value; break; } $chunk['Size'] = $size; switch (substr($chunkID, 0, 3)) { case 'CNT': // CNTI: Contents Information Chunk $chunk['Contents Class'] = $reader->getUI8(); $chunk['Contents Type'] = $reader->getUI8(); $chunk['Contents Code Type'] = $reader->getUI8(); $chunk['Copy Status'] = $reader->getUI8(); $chunk['Copy Counts'] = $reader->getUI8(); if ($size > 5) { $chunk['Option'] = $reader->getData($size - 5); } break; case 'MTR': // MTR*: Score Track Chunk $chunk['Format Type'] = $reader->getUI8(); $chunk['Sequence Type'] = $reader->getUI8(); $chunk['Timebase D'] = $reader->getUI8(); $chunk['Timebase G'] = $reader->getUI8(); $chunk['Channnel Status'] = $reader->getUI16BE(); $data = $reader->getData($size - 6); $reader_chunkdata = new IO_Bit(); $reader_chunkdata->input($data); $this->seekToAlphabet($reader_chunkdata); $chunk[$structure_type] = $this->parseDataChunks($reader_chunkdata); break; case 'Mts': // Mtsu, Mtsq, Mts $data = $reader->getData($size); $reader_tracks = new IO_Bit(); $reader_tracks->input($data); switch ($chunkID) { case 'Mtsu': // Score Track Setup Data // Score Track Setup Data case 'Mtsq': // Score Track Sequence Data $tracks = array(); while ($reader_tracks->hasNextData(4)) { $end_check = $reader_tracks->getUI32BE(); if ($end_check == 0) { break; } $reader_tracks->incrementOffset(-4, 0); $track = array(); // Duration if ($chunkID != 'Mtsu') { // Mtsu は Duration 無し $duration = $reader_tracks->getUI8(); if ($duration & 0x80) { $duration = ($duration & 0x7f) << 8; $duration |= $reader_tracks->getUI8(); } $track['Duration'] = $duration; } // Event $event = $reader_tracks->getUI8(); $eventData = array(); if ($event != 0) { $eventData['Type'] = 'Note Message'; $eventData['GetTime'] = $reader_tracks->getUI8(); // Option ??? } else { $data1 = $reader_tracks->getUI8(); $eventData['Channel'] = $data1 >> 6; if (($data1 & 0xf) == 0) { $eventData['Type'] = 'Program change'; } elseif (($data1 & 0xf) == 1) { $eventData['Type'] = 'Bank Select'; } else { $msg = sprintf("Unknow Event Data#1=0x%02x", $data1); // throw new Exception($msg); printf($msg . "\n"); break 2; } $eventData['Value'] = $reader_tracks->getUI8(); } $track['event'] = $tracks[] = $track; } $chunk['Tracks'] = $tracks; break 2; } default: $data = $reader->getData($size); if ($structure_type = $this->nestedChunkIDSize($chunkID)) { $reader_chunkdata = new IO_Bit(); $reader_chunkdata->input($data); $method = 'parseData' . $structure_type; $chunk[$structure_type] = $this->{$method}($reader_chunkdata); } else { $chunk['Data'] = $data; } break; } // var_dump($chunk); $chunks[] = $chunk; } return $chunks; }
static function parse(&$reader, $opts = array()) { $action = array(); $code = $reader->getUI8(); $action['Code'] = $code; if ($code >= 0x80) { $length = $reader->getUI16LE(); $action['Length'] = $length; switch ($code) { case 0x81: // ActionGotoFrame $action['Frame'] = $reader->getUI16LE(); break; case 0x83: // ActionGetURL $data = $reader->getData($length); $strs = explode("", $data, 2 + 1); $action['UrlString'] = $strs[0]; $action['TargetString'] = $strs[1]; break; case 0x88: // ActionConstantPool $count = $reader->getUI16LE(); $action['Count'] = $count; $data = $reader->getData($length - 2); $strs = explode("", $data, $count + 1); $action['ConstantPool'] = array_splice($strs, 0, $count); break; case 0x8a: // ActionWaitForFrame $action['Frame'] = $reader->getUI16LE(); $action['SkipCount'] = $reader->getUI8(); break; case 0x8b: // ActionSetTarget $data = $reader->getData($length); $strs = explode("", $data, 1 + 1); $action['TargetName'] = $strs[0]; break; case 0x8c: // ActionSetTarget $data = $reader->getData($length); $strs = explode("", $data, 1 + 1); $action['Label'] = $strs[0]; break; case 0x8d: // ActionWaitForFrame2 $action['Frame'] = $reader->getUI16LE(); $action['SkipCount'] = $reader->getUI8(); break; case 0x8e: // ActionDefineFunction2 $action['FunctionName'] = $reader->getDataUntil(""); $action['NumParams'] = $numParams = $reader->getUI16LE(); $action['RegisterCount'] = $reader->getUI8(); // $action['PreloadParentFlag'] = $reader->getUIBit(); $action['PreloadBootFlag'] = $reader->getUIBit(); $action['SuppressSuperFlag'] = $reader->getUIBit(); $action['PreloadSuperFlag'] = $reader->getUIBit(); $action['SuppressArgumentsFlag'] = $reader->getUIBit(); $action['PreloadArgumentsFlag'] = $reader->getUIBit(); $action['SuppressThisFlag'] = $reader->getUIBit(); $action['PreloadThisFlag'] = $reader->getUIBit(); // $action['(Reserve)'] = $reader->getUIBits(7); $action['PreloadGlobalFlag'] = $reader->getUIBit(); // $parameters = array(); for ($i = 0; $i < $numParams; $i++) { $registerParam = array(); $registerParam['Register'] = $reader->getUI8(); $registerParam['ParamName'] = $reader->getDataUntil(""); $parameters[] = $registerParam; } $action['Parameters'] = $parameters; $action['codeSize'] = $reader->getUI16LE(); break; case 0x96: // ActionPush $data = $reader->getData($length); $values = array(); $values_reader = new IO_Bit(); $values_reader->input($data); while ($values_reader->hasNextData()) { $value = array(); $type = $values_reader->getUI8(); $value['Type'] = $type; switch ($type) { case 0: // STRING $value['String'] = IO_SWF_Type_String::parse($values_reader); break; case 1: // Float $value['Float'] = IO_SWF_Type_Float::parse($values_reader); break; case 2: // null $value['null'] = null; break; case 3: // undefined $value['undefined'] = null; break; case 4: // RegisterNumber $value['RegisterNumber'] = $values_reader->getUI8(); break; case 5: // Boolean $value['Boolean'] = $values_reader->getUI8(); break; case 6: // Double $value['Double'] = IO_SWF_Type_Double::parse($values_reader); break; case 7: // Integer $value['Integer'] = $values_reader->getUI32LE(); break; case 8: // Constant8 $value['Constant8'] = $values_reader->getUI8(); break; case 9: // Constant16 $value['Constant16'] = $values_reader->getUI16LE(); break; default: throw new IO_SWF_Exception("Illegal ActionPush value's type({$type})"); } $values[] = $value; } $action['Values'] = $values; break; case 0x99: // ActionJump $action['BranchOffset'] = $reader->getSI16LE(); break; case 0x9a: // ActionGetURL2 // $action['SendVarsMethod'] = $reader->getUIBits(2); // $action['(Reserved)'] = $reader->getUIBits(4); // $action['LoadTargetFlag'] = $reader->getUIBit(); // $action['LoadVariablesFlag'] = $reader->getUIBit(); // swf_file_format_spec_v10 bug, field reverse. $action['LoadVariablesFlag'] = $reader->getUIBit(); $action['LoadTargetFlag'] = $reader->getUIBit(); $action['(Reserved)'] = $reader->getUIBits(4); $action['SendVarsMethod'] = $reader->getUIBits(2); break; case 0x9d: // ActionIf $action['Offset'] = $reader->getSI16LE(); break; case 0x9f: // ActionGotoFrame2 $action['(Reserved)'] = $reader->getUIBits(6); $sceneBiasFlag = $reader->getUIBit(); $action['SceneBiasFlag'] = $sceneBiasFlag; $action['PlayFlag'] = $reader->getUIBit(); if ($sceneBiasFlag == 1) { $action['SceneBias'] = $reader->getUI16LE(); } break; default: if ($length > 0) { $action['Data'] = $reader->getData($length); } break; } } return $action; }