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extend strict-i/o to include route outputs.

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This commit is contained in:
Robin Gareus 2016-04-13 12:28:57 +02:00
parent 5005aa529b
commit 7239cb09d9
1 changed files with 25 additions and 0 deletions
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25
libs/ardour/route.cc
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@ -2081,6 +2081,31 @@ Route::try_configure_processors_unlocked (ChanCount in, ProcessorStreams* err)
for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++index) {
if ((*p)->can_support_io_configuration(in, out)) {
if (boost::dynamic_pointer_cast<Delivery> (*p)
&& boost::dynamic_pointer_cast<Delivery> (*p)->role() == Delivery::Main
&& _strict_io) {
/* with strict I/O the panner + output are forced to
* follow the last processor's output.
*
* Delivery::can_support_io_configuration() will only add ports,
* but not remove excess ports.
*
* This works because the delivery only requires
* as many outputs as there are inputs.
* Delivery::configure_io() will do the actual removal
* by calling _output->ensure_io()
*/
if (_session.master_out ()) {
/* ..but at least as many as there are master-inputs */
// XXX this may need special-casing for mixbus (master-outputs)
// and should maybe be a preference anyway ?!
out = ChanCount::max (in, _session.master_out ()->n_inputs ());
} else {
out = in;
}
}
DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1 ID=%2 in=%3 out=%4\n",(*p)->name(), (*p)->id(), in, out));
configuration.push_back(make_pair(in, out));