diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2010-11-29 03:52:11 +0000 |
---|---|---|
committer | Paul Davis <paul@linuxaudiosystems.com> | 2010-11-29 03:52:11 +0000 |
commit | d55c8816262ff7ae10bc9119b2e4914cdf9267ce (patch) | |
tree | dfd3be2061d896f13ab0f5fcd21e24ca3ce2d5c6 /libs/ardour/panner.cc | |
parent | c7df5f5271be9652ab4bac25a1f8dcb4e4373ba4 (diff) |
make position+width stereo panning actually functional, although its behaviour is not quite right yet. you can control this from MIDI with a binding map that connects messages to "/route/panwidth B1" and "/route/pandirection B1"
git-svn-id: svn://localhost/ardour2/branches/3.0@8122 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/panner.cc')
-rw-r--r-- | libs/ardour/panner.cc | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/libs/ardour/panner.cc b/libs/ardour/panner.cc index 7d862b1aef..9d184d4577 100644 --- a/libs/ardour/panner.cc +++ b/libs/ardour/panner.cc @@ -104,17 +104,20 @@ StreamPanner::PanControllable::set_value (double val) switch (parameter().id()) { case 100: /* position */ + AutomationControl::set_value(val); streampanner.get_parent().set_stereo_position (val); break; case 200: /* width */ + AutomationControl::set_value(val); streampanner.get_parent().set_stereo_width (val); break; default: streampanner.set_position (AngularVector (direct_control_to_stereo_pan (val), 0.0)); + AutomationControl::set_value(val); + break; } - AutomationControl::set_value(val); } double @@ -1396,13 +1399,43 @@ Panner::setup_speakers (uint32_t nouts) void Panner::set_stereo_width (double val) { - cerr << "Set stereo width to " << val << endl; + boost::shared_ptr<AutomationControl> dc = direction_control(); + + if (!dc) { + return; + } + + double d = dc->get_value (); + set_stereo_position (d); } void Panner::set_stereo_position (double val) { - cerr << "Set stereo position to " << val << endl; + /* val is the range 0..1 */ + + AngularVector p (BaseStereoPanner::lr_fract_to_azimuth (val), 0.0); + boost::shared_ptr<AutomationControl> wc = width_control(); + + if (!wc) { + return; + } + + double spread = width_control()->get_value () * 180.0; + double l_pos = p.azi + (spread/2.0); /* more left is "increasing degrees" */ + double r_pos = p.azi - (spread/2.0); /* more right is "decreasing degrees" */ + + if (l_pos > 180.0 || r_pos < 0.0) { + /* already full panned, can't move any more */ + return; + } + + assert (_streampanners.size() > 1); + + cerr << "pos = " << BaseStereoPanner::lr_fract_to_azimuth (val) << " spread = " << width_control()->get_value() << " left = " << l_pos << " right = " << r_pos << endl; + + _streampanners[0]->set_position (AngularVector (l_pos, 0.0)); + _streampanners[1]->set_position (AngularVector (r_pos, 0.0)); } void @@ -1423,11 +1456,13 @@ Panner::setup_meta_controls () if (!automation_control (lr_param)) { boost::shared_ptr<AutomationControl> c (new StreamPanner::PanControllable (_session, _("lr"), *_streampanners.front(), lr_param)); + c->set_value (0.5); add_control (c); } if (!automation_control (width_param)) { boost::shared_ptr<AutomationControl> c (new StreamPanner::PanControllable (_session, _("width"), *_streampanners.front(), width_param)); + c->set_value (1.0); // full width add_control (c); } } |