Cache route's output playback latency
IO::latency iterates over the port-set retrieving the
private_latency_range of each port. The value can cached
since it can only change when connections or latency changes.
see also 40eefeddd6
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@ -425,7 +425,7 @@ Route::process_output_buffers (BufferSet& bufs,
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bool run_disk_writer = false;
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if (_disk_writer && speed > 0) {
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samplecnt_t latency_preroll = _session.remaining_latency_preroll ();
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run_disk_writer = latency_preroll < nframes + (_signal_latency + _output->latency ());
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run_disk_writer = latency_preroll < nframes + (_signal_latency + _output_latency);
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if (end_sample - _disk_writer->input_latency () < _session.transport_sample ()) {
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run_disk_writer = true;
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}
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@ -3886,7 +3886,7 @@ Route::playback_latency (bool incl_downstream) const
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if (incl_downstream) {
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rv += _output->connected_latency (true);
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} else {
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rv += _output->latency ();
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rv += _output_latency;
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}
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return rv;
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}
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