[ Version ( since = "1.18" ) ]
public virtual Sample? peek_next_sample (AggregatorPad aggregator_pad)
Use this function to determine what input buffers will be aggregated to produce the next output buffer.
This should only be called from a samples_selected handler, and can be used to precisely control aggregating parameters for a given set of input samples.
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The sample that is about to be aggregated. It may hold a Buffer or a BufferList . The contents of its info structure is subclass-dependent, and documented on a subclass basis. The buffers held by the sample are not writable. |