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docs: talk about the filter caps
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@ -32,7 +32,9 @@ A pad can ask the peer pad for its supported GstCaps. It does this with
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the CAPS query. The list of supported caps can be used to choose an
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the CAPS query. The list of supported caps can be used to choose an
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appropriate GstCaps for the data transfer.
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appropriate GstCaps for the data transfer.
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The CAPS query works recursively, elements should take their peers into
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The CAPS query works recursively, elements should take their peers into
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consideration when constructing the possible caps.
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consideration when constructing the possible caps. Because the result caps
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can be very large, the filter can be used to restrict the caps. Only the
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caps that match the filter will be returned as the result caps.
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(in) "filter", GST_TYPE_CAPS (default NULL)
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(in) "filter", GST_TYPE_CAPS (default NULL)
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- a GstCaps to filter the results against
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- a GstCaps to filter the results against
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