ardour/livetrax
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Preserve gain envelopes across filtering operations and stretch them across time stretches. Fixes #902.

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git-svn-id: svn://localhost/ardour2/branches/3.0@6989 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-04-26 00:23:40 +00:00
parent ed9d42c55d
commit a4917c9831
2 changed files with 12 additions and 1 deletions
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1
libs/ardour/filter.cc
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@ -138,6 +138,7 @@ Filter::finish (boost::shared_ptr<Region> region, SourceList& nsrcs, string regi
audio_r->set_fade_in (audio_region->fade_in ());
audio_r->set_fade_out_active (audio_region->fade_out_active ());
audio_r->set_fade_out (audio_region->fade_out ());
*(audio_r->envelope()) = *(audio_region->envelope ());
}
results.push_back (r);

12
libs/ardour/rb_effect.cc
View File

@ -80,7 +80,8 @@ RBEffect::run (boost::shared_ptr<Region> r)
string::size_type at;
nframes_t pos = 0;
int avail = 0;
boost::shared_ptr<AudioRegion> result;
cerr << "RBEffect: source region: position = " << region->position()
<< ", start = " << region->start()
<< ", length = " << region->length()
@ -357,6 +358,15 @@ RBEffect::run (boost::shared_ptr<Region> r)
(*x)->set_length( (*x)->length() * stretch, this);
}
/* stretch region gain envelope */
/* XXX: assuming we've only processed one input region into one result here */
if (tsr.time_fraction != 1) {
result = boost::dynamic_pointer_cast<AudioRegion> (results.front());
assert (result);
result->envelope()->x_scale (tsr.time_fraction);
}
out:
delete [] gain_buffer;