Reworked playback

Supports local path, network path, direct streaming, transcoding.

resources/lib/PlayUtils.py

@@ -6,182 +6,302 @@ import xbmc
 import xbmcgui
 import xbmcaddon
 
-import json
-import threading
-from datetime import datetime
-from DownloadUtils import DownloadUtils
 from ClientInformation import ClientInformation
-import urllib
-import sys
+import Utils as utils
 import os
 
-#define our global download utils
-downloadUtils = DownloadUtils()
+###########################################################################
+
+class PlayUtils():
+
+    _shared_state = {}
+
     clientInfo = ClientInformation()
     
-###########################################################################
-class PlayUtils():
+    addonName = clientInfo.getAddonName()
+    addonId = clientInfo.getAddonId()
+    addon = xbmcaddon.Addon(id=addonId)
+
+    def __init__(self):
+        self.__dict__ = self._shared_state
+
+    def logMsg(self, msg, lvl=1):
+        
+        className = self.__class__.__name__
+        utils.logMsg("%s %s" % (self.addonName, className), str(msg), int(lvl))
 
     def getPlayUrl(self, server, id, result):
 
+        addon = self.addon
         WINDOW = xbmcgui.Window(10000)
         username = WINDOW.getProperty('currUser')
         server = WINDOW.getProperty('server%s' % username)
 
-      addonSettings = xbmcaddon.Addon(id='plugin.video.emby')
-      # if the path is local and depending on the video quality play we can direct play it do so-
-      if self.isDirectPlay(result) == True:
-          playurl = result.get("Path")
-          if playurl != None:
-            #We have a path to play so play it
-            USER_AGENT = 'QuickTime/7.7.4'
-        
-            # If the file it is not a media stub
-            if (result.get("IsPlaceHolder") != True):
-              if (result.get("VideoType") == "Dvd"):
-                playurl = playurl + "/VIDEO_TS/VIDEO_TS.IFO"
-              elif (result.get("VideoType") == "BluRay"):
-                playurl = playurl + "/BDMV/index.bdmv"
-            if addonSettings.getSetting('smbusername') == '':
-              playurl = playurl.replace("\\\\", "smb://")
+        if self.isDirectPlay(result):
+            try:
+                # Try direct play
+                playurl = self.directPlay(result)
+                if not playurl:
+                    # Let user know that direct play failed
+                    resp = xbmcgui.Dialog().yesno('Warning', 'Unable to direct play. Try direct stream or transcoding instead? By selecting yes, it will also switch your playback to HTTP for future playback.')
+                    if resp == True:
+                        # Try direct stream
+                        playurl = self.directStream(result, server, id)
+                        addon.setSetting('playFromStream', "true")
+                        if not playurl:
+                            # Try transcoding
+                            playurl = self.transcoding(result, server, id)
+                            WINDOW.setProperty("transcoding%s" % id, "true")
+                            self.logMsg("File is transcoding.", 1)
                         else:
-              playurl = playurl.replace("\\\\", "smb://" + addonSettings.getSetting('smbusername') + ':' + addonSettings.getSetting('smbpassword') + '@')
+                            self.logMsg("File is direct streaming.", 1)
+                    else:
+                        # User decided not to proceed.
+                        self.logMsg("Unable to direct play. Verify the following path is accessible by the device: %s. You might also need to add SMB credentials in the addon settings." % result[u'MediaSources'][0][u'Path'])
+                        return False
+                else:
+                    self.logMsg("File is direct playing.", 1)
+            except:
+                return False
+
+        elif self.isDirectStream(result):
+            try:
+                # Try direct stream
+                playurl = self.directStream(result, server, id)
+                if not playurl:
+                    # Try transcoding
+                    playurl = self.transcoding(result, server, id)
+                    WINDOW.setProperty("transcoding%s" % id, "true")
+                    self.logMsg("File is transcoding.", 1)
+                else:
+                    self.logMsg("File is direct streaming.", 1)
+            except:
+                return False
+
+        elif self.isTranscoding(result):
+            try:
+                # Try transcoding
+                playurl = self.transcoding(result, server, id)
+                WINDOW.setProperty("transcoding%s" % id, "true")
+                self.logMsg("File is transcoding.", 1)
+            except:
+                return False
+
+        return playurl
+
+
+    def isDirectPlay(self, result):
+        # Requirements for Direct play:
+        # FileSystem, Accessible path
+        addon = self.addon
+        
+        playhttp = addon.getSetting('playFromStream')
+        # User forcing to play via HTTP instead of SMB
+        if playhttp == "true":
+            return False
+
+        canDirectPlay = result[u'MediaSources'][0][u'SupportsDirectPlay']
+        # Make sure it's supported by server
+        if not canDirectPlay:
+            return False
+
+        location = result[u'LocationType']
+        # File needs to be "FileSystem"
+        if u'FileSystem' in location:
+            # Verify if path is accessible
+            if self.fileExists(result):
+                return True
+
+
+    def directPlay(self, result):
+
+        try:
+            # Item can be played directly
+            playurl = result[u'MediaSources'][0][u'Path']
+            
+            if u'VideoType' in result:
+                # Specific format modification
+                if u'Dvd' in result[u'VideoType']:
+                    playurl = "%s/VIDEO_TS/VIDEO_TS.IFO" % playurl
+                elif u'BluRay' in result[u'VideoType']:
+                    playurl = "%s/BDMV/index.bdmv" % playurl
+
+            # Network - SMB protocol
+            if "\\\\" in playurl:
+                smbuser = addon.getSetting('smbusername')
+                smbpass = addon.getSetting('smbpassword')
+                # Network share
+                if smbuser:
+                    playurl = playurl.replace("\\\\", "smb://%s:%s@" % (smbuser, smbpass))
+                else:
+                    playurl = playurl.replace("\\\\", "smb://")
                 playurl = playurl.replace("\\", "/")
                 
-            if ("apple.com" in playurl):
-              playurl += '?|User-Agent=%s' % USER_AGENT
-            if addonSettings.getSetting('playFromStream') == "true":
+            if "apple.com" in playurl:
+                USER_AGENT = 'QuickTime/7.7.4'
+                playurl += "?|User-Agent=%s" % USER_AGENT
+            
+            return playurl
+
+        except:
+            self.logMsg("Direct play failed. Trying Direct stream.", 1)
+            return False
+
+    def isDirectStream(self, result):
+        # Requirements for Direct stream:
+        # FileSystem or Remote, BitRate, supported encoding
+        canDirectStream = result[u'MediaSources'][0][u'SupportsDirectStream']
+        # Make sure it's supported by server
+        if not canDirectStream:
+            return False
+
+        location = result[u'LocationType']
+        # File can be FileSystem or Remote, not Virtual
+        if u'Virtual' in location:
+            return False
+
+        # Verify BitRate
+        if not self.isNetworkQualitySufficient(result):
+            return False
+
+        return True
+
+    def directStream(self, result, server, id):
+        
+        try:
+            # Play with Direct Stream
             playurl = "%s/mediabrowser/Videos/%s/stream?static=true" % (server, id)
-              mediaSources = result.get("MediaSources")
-              if(mediaSources != None):
-                if mediaSources[0].get('DefaultAudioStreamIndex') != None:
-                  playurl = playurl + "&AudioStreamIndex=" +str(mediaSources[0].get('DefaultAudioStreamIndex'))
-                if mediaSources[0].get('DefaultSubtitleStreamIndex') != None:
-                  playurl = playurl + "&SubtitleStreamIndex=" + str(mediaSources[0].get('DefaultAudioStreamIndex')) 
 
-      else:
-          #No path or has a path but not sufficient network so transcode
-          if result.get("Type") == "Audio":
-            playurl = "%s/mediabrowser/Audio/%s/stream.mp3" % (server, id)
-          else:
-            txt_mac = clientInfo.getMachineId()
+            mediaSources = result[u'MediaSources']
+            if mediaSources[0].get('DefaultAudioStreamIndex') != None:
+                playurl = "%s&AudioStreamIndex=%s" % (playurl, mediaSources[0].get('DefaultAudioStreamIndex'))
+            if mediaSources[0].get('DefaultSubtitleStreamIndex') != None:
+                playurl = "%s&SubtitleStreamIndex=%s" % (playurl, mediaSources[0].get('DefaultSubtitleStreamIndex'))
+
+            self.logMsg("Playurl: %s" % playurl)
+            return playurl
+                
+        except:
+            self.logMsg("Direct stream failed. Trying transcoding.", 1)
+            return False
+
+    def isTranscoding(self, result):
+        # Last resort, no requirements
+        # BitRate
+        canTranscode = result[u'MediaSources'][0][u'SupportsTranscoding']
+        # Make sure it's supported by server
+        if not canTranscode:
+            return False
+
+        location = result[u'LocationType']
+        # File can be FileSystem or Remote, not Virtual
+        if u'Virtual' in location:
+            return False
+
+        return True
+
+    def transcoding(self, result, server, id):
+        
+        try:
+            # Play transcoding
+            deviceId = self.clientInfo.getMachineId()
             playurl = "%s/mediabrowser/Videos/%s/master.m3u8?mediaSourceId=%s" % (server, id, id)
-            playurl = playurl + '&videoCodec=h264'
-            playurl = playurl + '&AudioCodec=aac,ac3'
-            playurl = playurl + '&deviceId=' + txt_mac
-            playurl = playurl + '&VideoBitrate=' + str(int(self.getVideoBitRate()) * 1000)
-            mediaSources = result.get("MediaSources")
-            if(mediaSources != None):
+            playurl = "%s&VideoCodec=h264&AudioCodec=aac,ac3&deviceId=%s&VideoBitrate=%s" % (playurl, deviceId, self.getVideoBitRate()*1000)
+
+            mediaSources = result[u'MediaSources']
             if mediaSources[0].get('DefaultAudioStreamIndex') != None:
-                 playurl = playurl + "&AudioStreamIndex=" +str(mediaSources[0].get('DefaultAudioStreamIndex'))
+                playurl = "%s&AudioStreamIndex=%s" % (playurl, mediaSources[0][u'DefaultAudioStreamIndex'])
             if mediaSources[0].get('DefaultSubtitleStreamIndex') != None:
-                 playurl = playurl + "&SubtitleStreamIndex=" + str(mediaSources[0].get('DefaultSubtitleStreamIndex'))
-      return playurl.encode('utf-8')
+                playurl = "%s&SubtitleStreamIndex=%s" % (playurl, mediaSources[0][u'DefaultSubtitleStreamIndex'])
 
-    # Works out if we are direct playing or not
-    def isDirectPlay(self, result):
-        addonSettings = xbmcaddon.Addon(id='plugin.video.emby')
+            self.logMsg("Playurl: %s" % playurl)
+            return playurl
 
+        except:
+            self.logMsg("Transcoding failed.")
+            return False
+
+        '''forceTranscodingCodecs = self.addon.getSetting('forceTranscodingCodecs')
         # check if we should force encoding due to the forceTranscodingCodecs setting
-        forceTranscodingCodecs = addonSettings.getSetting('forceTranscodingCodecs')
         if forceTranscodingCodecs:
             forceTranscodingCodecsSet = frozenset(forceTranscodingCodecs.lower().split(','))
             codecs = frozenset([mediaStream.get('Codec', None) for mediaStream in result.get('MediaStreams', [])])
             commonCodecs = forceTranscodingCodecsSet & codecs
             #xbmc.log("emby isDirectPlay MediaStreams codecs: %s forceTranscodingCodecs: %s, common: %s" % (codecs, forceTranscodingCodecsSet, commonCodecs))
             if commonCodecs:
-                return False
-  
-        if (self.fileExists(result) or (result.get("LocationType") == "FileSystem" and self.isNetworkQualitySufficient(result) == True and self.isLocalPath(result) == False)):
-            return True
-        else:
-            return False
-        
+                return False'''
         
     # Works out if the network quality can play directly or if transcoding is needed
     def isNetworkQualitySufficient(self, result):
+        
         settingsVideoBitRate = self.getVideoBitRate()
-        settingsVideoBitRate = int(settingsVideoBitRate) * 1000
-        mediaSources = result.get("MediaSources")
-        if(mediaSources != None):
-          if mediaSources[0].get('Bitrate') != None:
-             if settingsVideoBitRate < int(mediaSources[0].get('Bitrate')):
-               #xbmc.log("emby isNetworkQualitySufficient -> FALSE bit rate - settingsVideoBitRate: " + str(settingsVideoBitRate) + " mediasource bitrate: " + str(mediaSources[0].get('Bitrate')))   
+        settingsVideoBitRate = settingsVideoBitRate * 1000
+
+        try:
+            mediaSources = result[u'MediaSources']
+            sourceBitRate = int(mediaSources[0][u'Bitrate'])
+            
+            if settingsVideoBitRate > sourceBitRate:
+                return True
+            else:
                 return False
-             else:
-               #xbmc.log("emby isNetworkQualitySufficient -> TRUE bit rate")   
+        except:
             return True
       
-        # Any thing else is ok
-        #xbmc.log("emby isNetworkQualitySufficient -> TRUE default")
-        return True
-      
-       
-    # get the addon video quality
     def getVideoBitRate(self):
-        addonSettings = xbmcaddon.Addon(id='plugin.video.emby')
-        videoQuality = addonSettings.getSetting('videoBitRate')  
+        # get the addon video quality
+        videoQuality = self.addon.getSetting('videoBitRate')
+
         if (videoQuality == "0"):
-            return '664'
+            return 664
         elif (videoQuality == "1"):
-           return '996'
+           return 996
         elif (videoQuality == "2"):
-           return '1320'
+           return 1320
         elif (videoQuality == "3"):
-           return '2000'
+           return 2000
         elif (videoQuality == "4"):
-           return '3200'
+           return 3200
         elif (videoQuality == "5"):
-           return '4700'
+           return 4700
         elif (videoQuality == "6"):
-           return '6200'
+           return 6200
         elif (videoQuality == "7"):
-           return '7700'
+           return 7700
         elif (videoQuality == "8"):
-           return '9200'
+           return 9200
         elif (videoQuality == "9"):
-           return '10700'
+           return 10700
         elif (videoQuality == "10"):
-           return '12200'
+           return 12200
         elif (videoQuality == "11"):
-           return '13700'
+           return 13700
         elif (videoQuality == "12"):
-           return '15200'
+           return 15200
         elif (videoQuality == "13"):
-           return '16700'
+           return 16700
         elif (videoQuality == "14"):
-           return '18200'
+           return 18200
         elif (videoQuality == "15"):
-           return '20000'
+           return 20000
         elif (videoQuality == "16"):
-           return '40000'
+           return 40000
         elif (videoQuality == "17"):
-           return '100000'
+           return 100000
         elif (videoQuality == "18"):
-           return '1000000'
+           return 1000000
         else:
-            return '2147483' # max bit rate supported by server (max signed 32bit integer)
+            return 2147483 # max bit rate supported by server (max signed 32bit integer)
             
     def fileExists(self, result):
-        if not result.has_key("Path"):
+        
+        if u'Path' not in result:
+            # File has no path in server
             return False
-        path=result.get("Path").encode('utf-8')
-        if os.path.exists(path) == True:
+
+        path = result[u'Path']
+        # Verify the device has access to the direct path
+        if os.path.exists(path):
             return True
         else:
             return False
-    
-    
-    # Works out if the network quality can play directly or if transcoding is needed
-    def isLocalPath(self, result):
-        path=result.get("Path").encode('utf-8')
-        playurl = path
-        if playurl != None:
-            #We have a path to play so play it
-            if ":\\" in playurl:
-              return True
-            else:
-              return False
-           
-        # default to not local 
-        return False

resources/lib/PlaybackUtils.py

@@ -57,6 +57,10 @@ class PlaybackUtils():
             seekTime = reasonableTicks / 10000
 
         playurl = PlayUtils().getPlayUrl(server, id, result)
+        if playurl == False:
+            xbmc.log("Failed to retrieve the playback path/url.")
+            return
+            
         thumbPath = API().getArtwork(result, "Primary")
         
         #if the file is a virtual strm file, we need to override the path by reading it's contents

resources/lib/Player.py

@@ -95,16 +95,15 @@ class Player( xbmc.Player ):
                     #report updates playcount and resume status to Kodi and MB3
                     #librarySync.updatePlayCount(item_id)
                     
+        # Stop transcoding
+        if self.WINDOW.getProperty("transcoding%s" % item_id) == "true":
+            deviceId = self.clientInfo.getMachineId()
+            url = "{server}/mediabrowser/Videos/ActiveEncodings?DeviceId=%s" % deviceId
+            self.doUtils.downloadUrl(url, type="DELETE")
+            self.WINDOW.clearProperty("transcoding%s" % item_id)
                 
         self.played_information.clear()
     
-        # stop transcoding - todo check we are actually transcoding?
-        clientInfo = ClientInformation()
-        txt_mac = clientInfo.getMachineId()
-        url = "{server}/mediabrowser/Videos/ActiveEncodings"
-        url = url + '?DeviceId=' + txt_mac
-        self.doUtils.downloadUrl(url, type="DELETE")
-    
     def stopPlayback(self, data):
         
         self.logMsg("stopPlayback called", 2)