Updated kodi settings on Lenovo

Kodi/Lenovo/addons/plugin.video.pseudotv.live/resources/lib/parsers/MKVParser.py

@@ -0,0 +1,210 @@
+#   Copyright (C) 2024Jason Anderson, Lunatixz
+#
+#
+# This file is part of PseudoTV Live.
+#
+# PseudoTV Live is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PseudoTV Live is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with PseudoTV Live.  If not, see <http://www.gnu.org/licenses/>.
+
+from globals import *
+
+class MKVParser:
+    monitor = xbmc.Monitor()
+    
+    def determineLength(self, filename: str) -> int and float:
+        log("MKVParser: determineLength %s"%filename)
+        try: self.File = FileAccess.open(filename, "rb", None)
+        except:
+            log("MKVParser: Unable to open the file")
+            log(traceback.format_exc(), xbmc.LOGERROR)
+            return
+
+        size = self.findHeader()
+
+        if size == 0:
+            log('MKVParser: Unable to find the segment info')
+            dur = 0
+        else:
+            dur = int(round(self.parseHeader(size)))
+
+        log("MKVParser: Duration is %s"%(dur))
+        return dur
+        
+
+    def parseHeader(self, size):
+        duration = 0
+        timecode = 0
+        fileend = self.File.tell() + size
+        datasize = 1
+        data = 1
+
+        while not self.monitor.abortRequested() and self.File.tell() < fileend and datasize > 0 and data > 0:
+            data = self.getEBMLId()
+            datasize = self.getDataSize()
+
+            if data == 0x2ad7b1:
+                timecode = 0
+
+                try:
+                    for x in range(datasize):
+                        timecode = (timecode << 8) + struct.unpack('B', self.getData(1))[0]
+                except:
+                    timecode = 0
+
+                if duration != 0 and timecode != 0:
+                    break
+                    
+            elif data == 0x4489:
+                try:
+                    if datasize == 4:
+                        duration = int(struct.unpack('>f', self.getData(datasize))[0])
+                    else:
+                        duration = int(struct.unpack('>d', self.getData(datasize))[0])
+                except:
+                    log("MKVParser: Error getting duration in header, size is " + str(datasize))
+                    duration = 0
+
+                if timecode != 0 and duration != 0:
+                    break
+            else:
+                try:    
+                    self.File.seek(datasize, 1)
+                except:
+                    log('MKVParser: Error while seeking')
+                    return 0
+
+        if duration > 0 and timecode > 0:
+            dur = (duration * timecode) / 1000000000
+            return dur
+
+        return 0
+
+
+    def findHeader(self):
+        log("MKVParser: findHeader")
+        filesize = self.getFileSize()
+        if filesize == 0:
+            log("MKVParser: Empty file")
+            return 0
+
+        data = self.getEBMLId()
+
+        # Check for 1A 45 DF A3
+        if data != 0x1A45DFA3:
+            log("MKVParser: Not a proper MKV")
+            return 0
+
+        datasize = self.getDataSize()
+        
+        try:
+            self.File.seek(datasize, 1)
+        except:
+            log('MKVParser: Error while seeking')
+            return 0
+
+        data = self.getEBMLId()
+
+        # Look for the segment header
+        while not self.monitor.abortRequested() and data != 0x18538067 and self.File.tell() < filesize and data > 0 and datasize > 0:
+            datasize = self.getDataSize()
+
+            try:
+                self.File.seek(datasize, 1)
+            except:
+                log('MKVParser: Error while seeking')
+                return 0
+
+            data = self.getEBMLId()
+
+        datasize = self.getDataSize()
+        data = self.getEBMLId()
+
+        # Find segment info
+        while not self.monitor.abortRequested() and data != 0x1549A966 and self.File.tell() < filesize and data > 0 and datasize > 0:
+            datasize = self.getDataSize()
+
+            try:
+                self.File.seek(datasize, 1)
+            except:
+                log('MKVParser: Error while seeking')
+                return 0
+
+            data = self.getEBMLId()
+
+        datasize = self.getDataSize()
+
+        if self.File.tell() < filesize:
+            return datasize
+
+        return 0
+
+
+    def getFileSize(self):
+        size = 0
+        try:
+            pos = self.File.tell()
+            self.File.seek(0, 2)
+            size = self.File.tell()
+            self.File.seek(pos, 0)
+        except:
+            pass
+        return size
+
+
+    def getData(self, datasize):
+        data = self.File.readBytes(datasize)
+        return data
+
+
+    def getDataSize(self):
+        data = self.File.readBytes(1)
+
+        try:
+            firstbyte = struct.unpack('>B', data)[0]
+            datasize = firstbyte
+            mask = 0xFFFF
+    
+            for i in range(8):
+                if datasize >> (7 - i) == 1:
+                    mask = mask ^ (1 << (7 - i))
+                    break
+
+            datasize = datasize & mask
+    
+            if firstbyte >> 7 != 1:
+                for i in range(1, 8):
+                    datasize = (datasize << 8) + struct.unpack('>B', self.File.readBytes(1))[0]
+
+                    if firstbyte >> (7 - i) == 1:
+                        break
+        except:
+            datasize = 0
+
+        return datasize
+
+
+    def getEBMLId(self):
+        data = self.File.readBytes(1)
+        try:
+            firstbyte = struct.unpack('>B', data)[0]
+            ID = firstbyte
+
+            if firstbyte >> 7 != 1:
+                for i in range(1, 4):
+                    ID = (ID << 8) + struct.unpack('>B', self.File.readBytes(1))[0]
+
+                    if firstbyte >> (7 - i) == 1:
+                        break
+        except:
+            ID = 0
+        return ID