- return 0;
-}
-
-XMLNode&
-Multi2dPanner::get_state (void)
-{
- return state (true);
-}
-
-XMLNode&
-Multi2dPanner::state (bool /*full_state*/)
-{
- XMLNode* root = new XMLNode ("StreamPanner");
- char buf[64];
- LocaleGuard lg (X_("POSIX"));
-
- snprintf (buf, sizeof (buf), "%.12g", x);
- root->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%.12g", y);
- root->add_property (X_("y"), buf);
- root->add_property (X_("type"), Multi2dPanner::name);
-
- /* XXX no meaningful automation yet */
-
- return *root;
-}
-
-int
-Multi2dPanner::set_state (const XMLNode& node, int /*version*/)
-{
- const XMLProperty* prop;
- float newx,newy;
- LocaleGuard lg (X_("POSIX"));
-
- newx = -1;
- newy = -1;
-
- if ((prop = node.property (X_("x")))) {
- newx = atof (prop->value().c_str());
- }
-
- if ((prop = node.property (X_("y")))) {
- newy = atof (prop->value().c_str());
- }
-
- if (x < 0 || y < 0) {
- error << _("badly-formed positional data for Multi2dPanner - ignored")
- << endmsg;
- return -1;
- }
-
- set_position (newx, newy);
- return 0;
-}
-
-/*---------------------------------------------------------------------- */
-
-Panner::Panner (string name, Session& s)
- : SessionObject (s, name)
- , AutomatableControls (s)
-{
- //set_name_old_auto (name);
- set_name (name);
-
- _linked = false;
- _link_direction = SameDirection;
- _bypassed = false;
-}
-
-Panner::~Panner ()
-{
-}
-
-void
-Panner::set_linked (bool yn)
-{
- if (yn != _linked) {
- _linked = yn;
- _session.set_dirty ();
- LinkStateChanged (); /* EMIT SIGNAL */
- }
-}
-
-void
-Panner::set_link_direction (LinkDirection ld)
-{
- if (ld != _link_direction) {
- _link_direction = ld;
- _session.set_dirty ();
- LinkStateChanged (); /* EMIT SIGNAL */
- }
-}
-
-
-void
-Panner::set_bypassed (bool yn)
-{
- if (yn != _bypassed) {
- _bypassed = yn;
- StateChanged ();
- }
-}
-
-
-void
-Panner::reset_to_default ()
-{
- vector<float> positions;
-
- switch (outputs.size()) {
- case 0:
- case 1:
- return;
- }
-
- if (outputs.size() == 2) {
- switch (_streampanners.size()) {
- case 1:
- _streampanners.front()->set_position (0.5);
- _streampanners.front()->pan_control()->list()->reset_default (0.5);
- return;
- break;
- case 2:
- _streampanners.front()->set_position (0.0);
- _streampanners.front()->pan_control()->list()->reset_default (0.0);
- _streampanners.back()->set_position (1.0);
- _streampanners.back()->pan_control()->list()->reset_default (1.0);
- return;
- default:
- break;
- }
- }
-
- vector<Output>::iterator o;
- vector<StreamPanner*>::iterator p;
-
- for (o = outputs.begin(), p = _streampanners.begin(); o != outputs.end() && p != _streampanners.end(); ++o, ++p) {
- (*p)->set_position ((*o).x, (*o).y);
- }
-}
-
-void
-Panner::reset_streampanner (uint32_t which)
-{
- if (which >= _streampanners.size() || which >= outputs.size()) {
- return;
- }
-
- switch (outputs.size()) {
- case 0:
- case 1:
- return;
-
- case 2:
- switch (_streampanners.size()) {
- case 1:
- /* stereo out, 1 stream, default = middle */
- _streampanners.front()->set_position (0.5);
- _streampanners.front()->pan_control()->list()->reset_default (0.5);
- break;
- case 2:
- /* stereo out, 2 streams, default = hard left/right */
- if (which == 0) {
- _streampanners.front()->set_position (0.0);
- _streampanners.front()->pan_control()->list()->reset_default (0.0);
- } else {
- _streampanners.back()->set_position (1.0);
- _streampanners.back()->pan_control()->list()->reset_default (1.0);
- }
- break;
- }
- return;
-
- default:
- _streampanners[which]->set_position (outputs[which].x, outputs[which].y);
- }
-}
-
-/**
- * Reset the panner with a given number of outs and panners (and hence inputs)
- *
- * \param nouts Number of outputs.
- * \param npans Number of panners.
- */
-void
-Panner::reset (uint32_t nouts, uint32_t npans)
-{
- uint32_t n;
- bool changed = false;
- bool do_not_and_did_not_need_panning = ((nouts < 2) && (outputs.size() < 2));
-
- cout << "Reset panner for " << nouts << " " << npans << "\n";
-
- /* if new and old config don't need panning, or if
- the config hasn't changed, we're done.
- */
-
- if (do_not_and_did_not_need_panning ||
- ((nouts == outputs.size()) && (npans == _streampanners.size()))) {
- return;
- }
-
- n = _streampanners.size();
- clear_panners ();
-
- if (n != npans) {
- changed = true;
- }
-
- n = outputs.size();
- outputs.clear ();
-
- if (n != nouts) {
- changed = true;
- }
-
- if (nouts < 2) {
- /* no need for panning with less than 2 outputs */
- goto send_changed;
- }
-
- switch (nouts) {
- case 0:
- /* XXX: this can never happen */
- break;
-
- case 1:
- /* XXX: this can never happen */
- fatal << _("programming error:")
- << X_("Panner::reset() called with a single output")
- << endmsg;
- /*NOTREACHED*/
- break;
-
- case 2: // line
- outputs.push_back (Output (0, 0));
- outputs.push_back (Output (1.0, 0));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new EqualPowerStereoPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
- break;
-
- case 3: // triangle
- outputs.push_back (Output (0.5, 0));
- outputs.push_back (Output (0, 1.0));
- outputs.push_back (Output (1.0, 1.0));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
-
- case 4: // square
- outputs.push_back (Output (0, 0));
- outputs.push_back (Output (1.0, 0));
- outputs.push_back (Output (1.0, 1.0));
- outputs.push_back (Output (0, 1.0));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
-
- case 5: //square+offcenter center
- outputs.push_back (Output (0, 0));
- outputs.push_back (Output (1.0, 0));
- outputs.push_back (Output (1.0, 1.0));
- outputs.push_back (Output (0, 1.0));
- outputs.push_back (Output (0.5, 0.75));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
-
- default:
- /* XXX horrible placement. FIXME */
- for (n = 0; n < nouts; ++n) {
- outputs.push_back (Output (0.1 * n, 0.1 * n));
- }
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
- }
-
- for (std::vector<StreamPanner*>::iterator x = _streampanners.begin(); x != _streampanners.end(); ++x) {
- (*x)->update ();
- }
-
- /* force hard left/right panning in a common case: 2in/2out
- */
-
- if (npans == 2 && outputs.size() == 2) {
-
- /* Do this only if we changed configuration, or our configuration
- appears to be the default set up (center).
- */
-
- float left;
- float right;
-
- _streampanners.front()->get_position (left);
- _streampanners.back()->get_position (right);
-
- if (changed || ((left == 0.5) && (right == 0.5))) {
-
- _streampanners.front()->set_position (0.0);
- _streampanners.front()->pan_control()->list()->reset_default (0.0);
-
- _streampanners.back()->set_position (1.0);
- _streampanners.back()->pan_control()->list()->reset_default (1.0);
-
- changed = true;
- }
- }
-
- send_changed:
- if (changed) {
- Changed (); /* EMIT SIGNAL */
- }
-
- return;
-}
-
-void
-Panner::remove (uint32_t which)
-{
- vector<StreamPanner*>::iterator i;
- for (i = _streampanners.begin(); i != _streampanners.end() && which; ++i, --which) {}
-
- if (i != _streampanners.end()) {
- delete *i;
- _streampanners.erase (i);
- }
-}
-
-
-/** Remove all our StreamPanners */
-void
-Panner::clear_panners ()
-{
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- delete *i;
- }
-
- _streampanners.clear ();
-}
-
-void
-Panner::set_automation_style (AutoStyle style)
-{
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- ((AutomationList*)(*i)->pan_control()->list().get())->set_automation_style (style);
- }
- _session.set_dirty ();
-}
-
-void
-Panner::set_automation_state (AutoState state)
-{
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- ((AutomationList*)(*i)->pan_control()->list().get())->set_automation_state (state);
- }
- _session.set_dirty ();
-}
-
-AutoState
-Panner::automation_state () const
-{
- boost::shared_ptr<AutomationList> l;
- if (!empty()) {
- boost::shared_ptr<AutomationControl> control = _streampanners.front()->pan_control();
- if (control) {
- l = boost::dynamic_pointer_cast<AutomationList>(control->list());
- }
- }
-
- return l ? l->automation_state() : Off;
-}
-
-AutoStyle
-Panner::automation_style () const
-{
- boost::shared_ptr<AutomationList> l;
- if (!empty()) {
- boost::shared_ptr<AutomationControl> control = _streampanners.front()->pan_control();
- if (control) {
- l = boost::dynamic_pointer_cast<AutomationList>(control->list());
- }
- }
-
- return l ? l->automation_style() : Absolute;
-}
-
-struct PanPlugins {
- string name;
- uint32_t nouts;
- StreamPanner* (*factory)(Panner&, Evoral::Parameter);
-};
-
-PanPlugins pan_plugins[] = {
- { EqualPowerStereoPanner::name, 2, EqualPowerStereoPanner::factory },
- { Multi2dPanner::name, 3, Multi2dPanner::factory },
- { string (""), 0, 0 }
-};
-
-XMLNode&
-Panner::get_state (void)
-{
- return state (true);
-}
-
-XMLNode&
-Panner::state (bool full)
-{
- XMLNode* node = new XMLNode ("Panner");
-
- char buf[32];
-
- node->add_property (X_("linked"), (_linked ? "yes" : "no"));
- node->add_property (X_("link_direction"), enum_2_string (_link_direction));
- node->add_property (X_("bypassed"), (bypassed() ? "yes" : "no"));
-
- for (vector<Panner::Output>::iterator o = outputs.begin(); o != outputs.end(); ++o) {
- XMLNode* onode = new XMLNode (X_("Output"));
- snprintf (buf, sizeof (buf), "%.12g", (*o).x);
- onode->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%.12g", (*o).y);
- onode->add_property (X_("y"), buf);
- node->add_child_nocopy (*onode);
- }
-
- for (vector<StreamPanner*>::const_iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- node->add_child_nocopy ((*i)->state (full));
- }
-
-
- return *node;
-}
-
-int
-Panner::set_state (const XMLNode& node, int version)
-{
- XMLNodeList nlist;
- XMLNodeConstIterator niter;
- const XMLProperty *prop;
- uint32_t i;
- uint32_t num_panners = 0;
- StreamPanner* sp;
- LocaleGuard lg (X_("POSIX"));
-
- clear_panners ();
-
- ChanCount ins = ChanCount::ZERO;
- ChanCount outs = ChanCount::ZERO;
-
- // XXX: this might not be necessary anymore
- outputs.clear ();
-
- if ((prop = node.property (X_("linked"))) != 0) {
- set_linked (string_is_affirmative (prop->value()));
- }
-
-
- if ((prop = node.property (X_("bypassed"))) != 0) {
- set_bypassed (string_is_affirmative (prop->value()));
- }
-
- if ((prop = node.property (X_("link_direction"))) != 0) {
- LinkDirection ld; /* here to provide type information */
- set_link_direction (LinkDirection (string_2_enum (prop->value(), ld)));
- }
-
- nlist = node.children();
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == X_("Output")) {
-
- float x, y;
-
- prop = (*niter)->property (X_("x"));
- sscanf (prop->value().c_str(), "%g", &x);
-
- prop = (*niter)->property (X_("y"));
- sscanf (prop->value().c_str(), "%g", &y);
-
- outputs.push_back (Output (x, y));
- }
- }
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- if ((*niter)->name() == X_("StreamPanner")) {
-
- if ((prop = (*niter)->property (X_("type")))) {
-
- for (i = 0; pan_plugins[i].factory; ++i) {
- if (prop->value() == pan_plugins[i].name) {
-
-
- /* note that we assume that all the stream panners
- are of the same type. pretty good
- assumption, but it's still an assumption.
- */
-
- sp = pan_plugins[i].factory (*this, Evoral::Parameter(PanAutomation, 0, num_panners));
- num_panners++;
-
- if (sp->set_state (**niter, version) == 0) {
- _streampanners.push_back (sp);
- }
-
- break;
- }
- }
-
-
- if (!pan_plugins[i].factory) {
- error << string_compose (_("Unknown panner plugin \"%1\" found in pan state - ignored"),
- prop->value())
- << endmsg;
- }
-
- } else {
- error << _("panner plugin node has no type information!")
- << endmsg;
- return -1;
- }
-
- }
- }
-
- reset (outputs.size (), num_panners);
- /* don't try to do old-school automation loading if it wasn't marked as existing */
-
- if ((prop = node.property (X_("automation")))) {
-
- /* automation path is relative */
-
- automation_path = Glib::build_filename(_session.automation_dir(), prop->value ());
- }
-
- return 0;
-}
-
-bool
-Panner::touching () const
-{
- for (vector<StreamPanner*>::const_iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (((AutomationList*)(*i)->pan_control()->list().get())->touching ()) {
- return true;
- }
- }
-
- return false;
-}
-
-void
-Panner::set_position (float xpos, StreamPanner& orig)
-{
- float xnow;
- float xdelta ;
- float xnew;
-
- orig.get_position (xnow);
- xdelta = xpos - xnow;
-
- if (_link_direction == SameDirection) {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, true);
- } else {
- (*i)->get_position (xnow);
- xnew = min (1.0f, xnow + xdelta);
- xnew = max (0.0f, xnew);
- (*i)->set_position (xnew, true);
- }
- }
-
- } else {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, true);
- } else {
- (*i)->get_position (xnow);
- xnew = min (1.0f, xnow - xdelta);
- xnew = max (0.0f, xnew);
- (*i)->set_position (xnew, true);
- }
- }
- }
-}
-
-void
-Panner::set_position (float xpos, float ypos, StreamPanner& orig)
-{
- float xnow, ynow;
- float xdelta, ydelta;
- float xnew, ynew;
-
- orig.get_position (xnow, ynow);
- xdelta = xpos - xnow;
- ydelta = ypos - ynow;
-
- if (_link_direction == SameDirection) {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, true);
- } else {
- (*i)->get_position (xnow, ynow);
-
- xnew = min (1.0f, xnow + xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow + ydelta);
- ynew = max (0.0f, ynew);
-
- (*i)->set_position (xnew, ynew, true);
- }
- }
-
- } else {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, true);
- } else {
- (*i)->get_position (xnow, ynow);
-
- xnew = min (1.0f, xnow - xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow - ydelta);
- ynew = max (0.0f, ynew);
-
- (*i)->set_position (xnew, ynew, true);
- }
- }
- }
-}
-
-void
-Panner::set_position (float xpos, float ypos, float zpos, StreamPanner& orig)
-{
- float xnow, ynow, znow;
- float xdelta, ydelta, zdelta;
- float xnew, ynew, znew;
-
- orig.get_position (xnow, ynow, znow);
- xdelta = xpos - xnow;
- ydelta = ypos - ynow;
- zdelta = zpos - znow;
-
- if (_link_direction == SameDirection) {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, zpos, true);
- } else {
- (*i)->get_position (xnow, ynow, znow);
-
- xnew = min (1.0f, xnow + xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow + ydelta);
- ynew = max (0.0f, ynew);
-
- znew = min (1.0f, znow + zdelta);
- znew = max (0.0f, znew);
-
- (*i)->set_position (xnew, ynew, znew, true);
- }
- }
-
- } else {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, true);
- } else {
- (*i)->get_position (xnow, ynow, znow);
-
- xnew = min (1.0f, xnow - xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow - ydelta);
- ynew = max (0.0f, ynew);
-
- znew = min (1.0f, znow + zdelta);
- znew = max (0.0f, znew);
-
- (*i)->set_position (xnew, ynew, znew, true);
- }
- }
- }
-}
-
-void
-Panner::distribute_no_automation (BufferSet& inbufs, BufferSet& outbufs, nframes_t nframes, gain_t gain_coeff)
-{
- if (outbufs.count().n_audio() == 0) {
- // Don't want to lose audio...
- assert(inbufs.count().n_audio() == 0);
- return;
- }
-
- // We shouldn't be called in the first place...
- assert(!bypassed());
- assert(!empty());
-
-
- if (outbufs.count().n_audio() == 1) {
-
- AudioBuffer& dst = outbufs.get_audio(0);
-
- if (gain_coeff == 0.0f) {
-
- /* only one output, and gain was zero, so make it silent */
-
- dst.silence (nframes);
-
- } else if (gain_coeff == 1.0f){
-
- /* mix all buffers into the output */
-
- // copy the first
- dst.read_from(inbufs.get_audio(0), nframes);
-
- // accumulate starting with the second
- if (inbufs.count().n_audio() > 0) {
- BufferSet::audio_iterator i = inbufs.audio_begin();
- for (++i; i != inbufs.audio_end(); ++i) {
- dst.merge_from(*i, nframes);
- }
- }
-
- } else {
-
- /* mix all buffers into the output, scaling them all by the gain */
-
- // copy the first
- dst.read_from(inbufs.get_audio(0), nframes);
-
- // accumulate (with gain) starting with the second
- if (inbufs.count().n_audio() > 0) {
- BufferSet::audio_iterator i = inbufs.audio_begin();
- for (++i; i != inbufs.audio_end(); ++i) {
- dst.accumulate_with_gain_from(*i, nframes, gain_coeff);
- }
- }
-
- }
-
- return;
- }
-
- /* the terrible silence ... */
- for (BufferSet::audio_iterator i = outbufs.audio_begin(); i != outbufs.audio_end(); ++i) {
- i->silence(nframes);
- }
-
- BufferSet::audio_iterator i = inbufs.audio_begin();
-
- for (vector<StreamPanner*>::iterator pan = _streampanners.begin(); pan != _streampanners.end() && i != inbufs.audio_end(); ++pan, ++i) {
- (*pan)->distribute (*i, outbufs, gain_coeff, nframes);
- }
-}
-
-void
-Panner::run (BufferSet& inbufs, BufferSet& outbufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
-{
- if (outbufs.count().n_audio() == 0) {
- // Failing to deliver audio we were asked to deliver is a bug
- assert(inbufs.count().n_audio() == 0);
- return;
- }
-
- // We shouldn't be called in the first place...
- assert(!bypassed());
- assert(!empty());
-
- // If we shouldn't play automation defer to distribute_no_automation
- if (!(automation_state() & Play || ((automation_state() & Touch) && !touching()))) {
-
- // Speed quietning
- gain_t gain_coeff = 1.0;
-
- if (fabsf(_session.transport_speed()) > 1.5f) {
- gain_coeff = speed_quietning;
- }
-
- distribute_no_automation (inbufs, outbufs, nframes, gain_coeff);
- return;
- }
-
- // Otherwise.. let the automation flow, baby
-
- if (outbufs.count().n_audio() == 1) {
-
- AudioBuffer& dst = outbufs.get_audio(0);
-
- // FIXME: apply gain automation?
-
- // copy the first
- dst.read_from(inbufs.get_audio(0), nframes);
-
- // accumulate starting with the second
- BufferSet::audio_iterator i = inbufs.audio_begin();
- for (++i; i != inbufs.audio_end(); ++i) {
- dst.merge_from(*i, nframes);
- }
-
- return;
- }
-
- // More than 1 output, we should have 1 panner for each input
- //assert(_streampanners.size() == inbufs.count().n_audio());
-
- /* the terrible silence ... */
- for (BufferSet::audio_iterator i = outbufs.audio_begin(); i != outbufs.audio_end(); ++i) {
- i->silence(nframes);
- }
-
- BufferSet::audio_iterator i = inbufs.audio_begin();
- for (vector<StreamPanner*>::iterator pan = _streampanners.begin(); pan != _streampanners.end(); ++pan, ++i) {
- (*pan)->distribute_automated (*i, outbufs, start_frame, end_frame, nframes, _session.pan_automation_buffer());
- }
-}
-
-/* old school automation handling */
-
-/*
-void
-Panner::set_name (string str)
-{
- automation_path = Glib::build_filename(_session.automation_dir(),
- _session.snap_name() + "-pan-" + legalize_for_path (str) + ".automation");
-}
-*/
-
-int
-Panner::load ()
-{
- char line[128];
- uint32_t linecnt = 0;
- float version;
- vector<StreamPanner*>::iterator sp;
- LocaleGuard lg (X_("POSIX"));
-
- if (automation_path.length() == 0) {
- return 0;
- }
-
- if (access (automation_path.c_str(), F_OK)) {
- return 0;
- }
-
- ifstream in (automation_path.c_str());
-
- if (!in) {
- error << string_compose (_("cannot open pan automation file %1 (%2)"),
- automation_path, strerror (errno))
- << endmsg;
- return -1;
- }
-
- sp = _streampanners.begin();
-
- while (in.getline (line, sizeof(line), '\n')) {
-
- if (++linecnt == 1) {
- if (memcmp (line, X_("version"), 7) == 0) {
- if (sscanf (line, "version %f", &version) != 1) {
- error << string_compose(_("badly formed version number in pan automation event file \"%1\""), automation_path) << endmsg;
- return -1;
- }
- } else {
- error << string_compose(_("no version information in pan automation event file \"%1\" (first line = %2)"),
- automation_path, line) << endmsg;
- return -1;
- }
-
- continue;
- }
-
- if (strlen (line) == 0 || line[0] == '#') {
- continue;
- }
-
- if (strcmp (line, "begin") == 0) {
-
- if (sp == _streampanners.end()) {
- error << string_compose (_("too many panner states found in pan automation file %1"),
- automation_path)
- << endmsg;
- return -1;
- }
-
- if ((*sp)->load (in, automation_path, linecnt)) {
- return -1;
- }
-
- ++sp;
- }
- }
-
- return 0;
-}
-
-void
-Panner::set_mono (bool yn)
-{
- if (yn != _mono) {
- _mono = yn;
- StateChanged ();
- }
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- (*i)->set_mono (yn);