I currently have a broadcaster which I use to handle multiple video
devices however I've run into some limitations with how I can see
what devices are available. Basically I want to let them be chosen
via a device index number (device 0,1,2, etc.). I can use the
following from the Presentation MediaParams to get the first device
in the list of available devices and then iterate through them with
getNext() however it won't return any devices which are in use so I
can't get the full list of devices if any are in use.
I did some looking through the javadocs and found that it looks like
the following should work, backed up by old mailing list posts.
After some testing with QT7 this returns null no matter how many
cameras are plugged into the firewire port.
ComponentIdentifier component = null;
ComponentDescription desc = new ComponentDescription
(StdQTConstants.videoDigitizerComponentType);
while ((componenet = ComponentIdentifier.find(ci, desc)) !=
null)
I used an empty componenetdescription to enumerate through all of
them and still find nothing which could be a camera.
Does anyone know of how I would go about doing this?
- Brian
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