102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
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import mediachoice
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import util
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class DecisionFailure(Exception):
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def __init__(self, code, reason):
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self.code = code
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self.reason = reason
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class ServerDecision(object):
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DECISION_DIRECT_PLAY = "directplay"
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DECISION_COPY = "copy"
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DECISION_TRANSCODE = "transcode"
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DIRECT_PLAY_OK = 1000
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TRANSCODE_OK = 1001
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def __init__(self, original, response, player):
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self.original = original
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self.response = response
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self.player = player
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self.item = None
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self.init()
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def init(self):
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self.isSupported = self.response.server.supportsFeature("streamingBrain")
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for item in self.response.items:
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if item and item.media:
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self.item = item
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self.original.transcodeDecision = mediachoice.MediaChoice(self.item.media[0])
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# Decision codes and text
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self.decisionsCodes = {}
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self.decisionsTexts = {}
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for key in ["directPlayDecision", "generalDecision", "mdeDecision", "transcodeDecision", "termination"]:
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self.decisionsCodes[key] = self.response.container.get(key + "Code", "-1").asInt()
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self.decisionsTexts[key] = self.response.container.get(key + "Text")
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util.DEBUG_LOG("Decision codes: {0}".format(self.decisionsCodes))
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def __str__(self):
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if self.isSupported:
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obj = []
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for v in self.decisionsTexts.values():
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if v:
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obj.append(v)
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return ' '.join(obj)
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else:
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return "Server version does not support decisions."
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def __repr__(self):
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return self.__str__()
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def getDecision(self, requireDecision=True):
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if not self.item:
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# Return no decision. The player will either continue with the original
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# or terminate if a valid decision was required.
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if requireDecision:
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# Terminate the player by default if there was no decision returned.
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code = self.decisionsCodes["generalDecision"]
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reason = ' '.join([self.decisionsTexts["transcodeDecision"], self.decisionsTexts["generalDecision"]])
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raise DecisionFailure(code, reason)
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return None
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# Rebuild the original item with the new item.
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util.WARN_LOG("Server requested new playback decision: {0}".format(self))
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self.original.rebuild(self.item, self)
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return self.original
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def isSuccess(self):
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code = self.decisionsCodes["mdeDecision"]
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return not self.isSupported or 1000 <= code < 2000
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def isDecision(self, requireItem=False):
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# Server has provided a valid decision if there was a valid decision code
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# or if the response returned zero items (could not play).
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return self.isSupported and (self.decisionsCodes["mdeDecision"] > -1 or requireItem and not self.item)
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def isTimelineDecision(self):
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return self.isSupported and self.item
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def isTermination(self):
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return self.isSupported and self.decisionsCodes["termination"] > -1
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def directPlayOK(self):
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return self.decisionsCodes["mdeDecision"] == 1000
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def getTermination(self):
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return {
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'code': str(self.decisionsCodes["termination"]),
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'text': self.decisionsTexts["termination"] or "Unknown" # TODO: Translate Unknown
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}
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def getDecisionText(self):
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for key in ["mdeDecision", "directPlayDecision", "generalDecision", "transcodeDecision"]:
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if self.decisionsTexts.get(key):
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return self.decisionsTexts[key]
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return None
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