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<blockquote data-quote="diehard2" data-source="post: 219971" data-attributes="member: 19989">Hi misterd, looks like you've done quite a bit of work. I can shed a bit of light on why it is so slow to build the analog graph sometimes. The problem is with pin connections. It takes forever when a pin connection is rejected (you can see this in graphedit) and is the reason for my special hack with the hauppauge cards. An ideal fix (which I've been too busy to implement) would be to create the graph using the current methods and1. iterate through the graph and get each filter's CLSID, the order of the filter in the graph, and the pin connections (by name)2. Store this information in the database (or an xml file)3. When the tv server is run again, if the card is in the system and nothing has changed, it will check the database, add all of the filters by CLSID, and connect each pin on the correct filter by pin name. This will make the appropriate connections directly instead of using trial and error.This would be extremely fast.</blockquote>

[QUOTE="diehard2, post: 219971, member: 19989"] Hi misterd, looks like you've done quite a bit of work. I can shed a bit of light on why it is so slow to build the analog graph sometimes. The problem is with pin connections. It takes forever when a pin connection is rejected (you can see this in graphedit) and is the reason for my special hack with the hauppauge cards. An ideal fix (which I've been too busy to implement) would be to create the graph using the current methods and 1. iterate through the graph and get each filter's CLSID, the order of the filter in the graph, and the pin connections (by name) 2. Store this information in the database (or an xml file) 3. When the tv server is run again, if the card is in the system and nothing has changed, it will check the database, add all of the filters by CLSID, and connect each pin on the correct filter by pin name. This will make the appropriate connections directly instead of using trial and error. This would be extremely fast. [/QUOTE]

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