getid3_matroska::EBML2Int

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Private Access Private Access

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Syntax Syntax

getid3_matroska::EBML2Int( string $EBMLstring )

Parameters Parameters

$EBMLstring

(string) (Required)

Return Return

(int|float|false)

Source Source

File: wp-includes/ID3/module.audio-video.matroska.php

						}
						while ($size == 255);
					}
				}
				if ($block_data['flags']['lacing'] == 0x01) { // calc size of the last frame only for Xiph lacing, till EBML sizes are now anyway determined incorrectly
					$block_data['lace_frames_size'][] = $element['end'] - $this->current_offset - array_sum($block_data['lace_frames_size']);
				}
			}
		}

		if (!isset($info['matroska']['track_data_offsets'][$block_data['tracknumber']])) {
			$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['offset'] = $this->current_offset;
			$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['length'] = $element['end'] - $this->current_offset;
			//$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['total_length'] = 0;
		}
		//$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['total_length'] += $info['matroska']['track_data_offsets'][$block_data['tracknumber']]['length'];
		//$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['duration']      = $block_data['timecode'] * ((isset($info['matroska']['info'][0]['TimecodeScale']) ? $info['matroska']['info'][0]['TimecodeScale'] : 1000000) / 1000000000);

		// set offset manually
		$this->current_offset = $element['end'];

		return $block_data;
	}

	/**
	 * @param string $EBMLstring
	 *
	 * @return int|float|false
	 */
	private static function EBML2Int($EBMLstring) {
		// http://matroska.org/specs/

		// Element ID coded with an UTF-8 like system:
		// 1xxx xxxx                                  - Class A IDs (2^7 -2 possible values) (base 0x8X)
		// 01xx xxxx  xxxx xxxx                       - Class B IDs (2^14-2 possible values) (base 0x4X 0xXX)
		// 001x xxxx  xxxx xxxx  xxxx xxxx            - Class C IDs (2^21-2 possible values) (base 0x2X 0xXX 0xXX)
		// 0001 xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx - Class D IDs (2^28-2 possible values) (base 0x1X 0xXX 0xXX 0xXX)
		// Values with all x at 0 and 1 are reserved (hence the -2).

		// Data size, in octets, is also coded with an UTF-8 like system :
		// 1xxx xxxx                                                                              - value 0 to  2^7-2

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