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Optimisation; it is much cheaper to run UnknownProcessor on the

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rare occasions that it exists rather than dcasting every processor
to check for it.  Also put the dcast of PeakMeter off if possible.


git-svn-id: svn://localhost/ardour2/branches/3.0@11309 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington
2012-01-23 14:53:25 +00:00
parent 8e98352b6c
commit 61c57e7c4d
1 changed files with 2 additions and 6 deletions
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8
libs/ardour/route.cc
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@@ -511,18 +511,14 @@ Route::process_output_buffers (BufferSet& bufs,
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
break;
}
if (boost::dynamic_pointer_cast<PeakMeter> (*i) && meter_already_run) {
if (meter_already_run && boost::dynamic_pointer_cast<PeakMeter> (*i)) {
/* don't ::run() the meter, otherwise it will have its previous peak corrupted */
continue;
}
#ifndef NDEBUG
/* if it has any inputs, make sure they match */
if ((*i)->input_streams() != ChanCount::ZERO) {
if (boost::dynamic_pointer_cast<UnknownProcessor> (*i) == 0 && (*i)->input_streams() != ChanCount::ZERO) {
if (bufs.count() != (*i)->input_streams()) {
cerr << _name << " bufs = " << bufs.count()
<< " input for " << (*i)->name() << " = " << (*i)->input_streams()