string EqualPowerStereoPanner::name = "Equal Power Stereo";
string Multi2dPanner::name = "Multiple (2D)";
-/* this is a default mapper of MIDI control values to a pan position
- others can be imagined. see Panner::set_midi_to_pan_function().
+/* this is a default mapper of control values to a pan position
+ others can be imagined.
*/
-static pan_t direct_midi_to_pan (double fract) {
+static pan_t direct_control_to_pan (double fract) {
return fract;
}
-static double direct_pan_to_midi (pan_t val) {
+static double direct_pan_to_control (pan_t val) {
return val;
}
StreamPanner::StreamPanner (Panner& p)
: parent (p),
- _midi_control (*this, (MIDI::Port*) 0)
+ _control (*this)
{
_muted = false;
{
}
-StreamPanner::MIDIControl::MIDIControl (StreamPanner& s, MIDI::Port* port)
- : MIDI::Controllable (port, 0), sp (s), setting(false)
-{
- midi_to_pan = direct_midi_to_pan;
- pan_to_midi = direct_pan_to_midi;
- last_written = 0; /* XXX need a good out-of-bound-value */
-}
-
void
-StreamPanner::MIDIControl::set_value (float val)
+StreamPanner::PanControllable::set_value (float val)
{
- setting = true;
- sp.set_position (midi_to_pan (val));
- setting = false;
-}
-
-void
-StreamPanner::MIDIControl::send_feedback (pan_t value)
-{
-
- if (!setting && get_midi_feedback() && pan_to_midi) {
- MIDI::byte val = (MIDI::byte) (pan_to_midi (value) * 127.0f);
- MIDI::channel_t ch = 0;
- MIDI::eventType ev = MIDI::none;
- MIDI::byte additional = 0;
- MIDI::EventTwoBytes data;
-
- if (get_control_info (ch, ev, additional)) {
- data.controller_number = additional;
- data.value = val;
- last_written = val;
-
- sp.get_parent().session().send_midi_message (get_port(), ev, ch, data);
- }
-
- // send_midi_feedback (pan_to_midi (val));
- }
-
+ panner.set_position (direct_control_to_pan (val));
}
-MIDI::byte*
-StreamPanner::MIDIControl::write_feedback (MIDI::byte* buf, int32_t& bufsize, pan_t val, bool force)
+float
+StreamPanner::PanControllable::get_value (void) const
{
- if (get_midi_feedback() && pan_to_midi && bufsize > 2) {
- MIDI::channel_t ch = 0;
- MIDI::eventType ev = MIDI::none;
- MIDI::byte additional = 0;
- MIDI::byte pm;
- if (get_control_info (ch, ev, additional)) {
-
- pm = (MIDI::byte) (pan_to_midi (val) * 127.0);
-
- if (pm != last_written || force) {
- *buf++ = (0xF0 & ev) | (0xF & ch);
- *buf++ = additional; /* controller number */
- *buf++ = pm;
- last_written = pm;
- bufsize -= 3;
- }
- }
- }
-
- return buf;
+ float xpos;
+ panner.get_effective_position (xpos);
+ return direct_pan_to_control (xpos);
}
-
-void
-StreamPanner::reset_midi_control (MIDI::Port* port, bool on)
+bool
+StreamPanner::PanControllable::can_send_feedback () const
{
- MIDI::channel_t chn;
- MIDI::eventType ev;
- MIDI::byte extra;
+ AutoState astate = panner.get_parent().automation_state ();
- _midi_control.get_control_info (chn, ev, extra);
- if (!on) {
- chn = -1;
+ if ((astate == Play) || (astate == Touch && !panner.get_parent().touching())) {
+ return true;
}
- _midi_control.midi_rebind (port, chn);
+
+ return false;
}
void
x = xpos;
update ();
Changed ();
-
- if (parent.session().get_midi_feedback()) {
- _midi_control.send_feedback (x);
- }
+ _control.Changed ();
}
}
{
const XMLProperty* prop;
XMLNodeConstIterator iter;
- XMLNodeList midi_kids;
if ((prop = node.property (X_("muted")))) {
set_muted (prop->value() == "yes");
}
- midi_kids = node.children ("MIDI");
-
- for (iter = midi_kids.begin(); iter != midi_kids.end(); ++iter) {
-
- XMLNodeList kids;
- XMLNodeConstIterator miter;
- XMLNode* child;
-
- kids = (*iter)->children ();
-
- for (miter = kids.begin(); miter != kids.end(); ++miter) {
-
- child =* miter;
-
- if (child->name() == "pan") {
-
- MIDI::eventType ev = MIDI::on; /* initialize to keep gcc happy */
- MIDI::byte additional = 0; /* ditto */
- MIDI::channel_t chn = 0; /* ditto */
-
- if (get_midi_node_info (child, ev, chn, additional)) {
- _midi_control.set_control_type (chn, ev, additional);
- } else {
- error << _("MIDI pan control specification is incomplete, so it has been ignored") << endmsg;
- }
- }
- }
- }
-
-
return 0;
}
StreamPanner::add_state (XMLNode& node)
{
node.add_property (X_("muted"), (muted() ? "yes" : "no"));
-
- /* MIDI control */
-
- MIDI::channel_t chn;
- MIDI::eventType ev;
- MIDI::byte additional;
- XMLNode* midi_node = 0;
- XMLNode* child;
-
- if (_midi_control.get_control_info (chn, ev, additional)) {
-
- midi_node = node.add_child ("MIDI");
-
- child = midi_node->add_child ("pan");
- set_midi_node_info (child, ev, chn, additional);
- }
-
-}
-
-
-bool
-StreamPanner::get_midi_node_info (XMLNode * node, MIDI::eventType & ev, MIDI::channel_t & chan, MIDI::byte & additional)
-{
- bool ok = true;
- const XMLProperty* prop;
- int xx;
-
- if ((prop = node->property ("event")) != 0) {
- sscanf (prop->value().c_str(), "0x%x", &xx);
- ev = (MIDI::eventType) xx;
- } else {
- ok = false;
- }
-
- if (ok && ((prop = node->property ("channel")) != 0)) {
- sscanf (prop->value().c_str(), "%d", &xx);
- chan = (MIDI::channel_t) xx;
- } else {
- ok = false;
- }
-
- if (ok && ((prop = node->property ("additional")) != 0)) {
- sscanf (prop->value().c_str(), "0x%x", &xx);
- additional = (MIDI::byte) xx;
- }
-
- return ok;
-}
-
-bool
-StreamPanner::set_midi_node_info (XMLNode * node, MIDI::eventType ev, MIDI::channel_t chan, MIDI::byte additional)
-{
- char buf[32];
-
- snprintf (buf, sizeof(buf), "0x%x", ev);
- node->add_property ("event", buf);
- snprintf (buf, sizeof(buf), "%d", chan);
- node->add_property ("channel", buf);
- snprintf (buf, sizeof(buf), "0x%x", additional);
- node->add_property ("additional", buf);
-
- return true;
}
/*---------------------------------------------------------------------- */
char buf[64];
LocaleGuard lg (X_("POSIX"));
- snprintf (buf, sizeof (buf), "%f", x);
+ snprintf (buf, sizeof (buf), "%.12g", x);
root->add_property (X_("x"), buf);
root->add_property (X_("type"), EqualPowerStereoPanner::name);
if (full_state) {
char buf[64];
LocaleGuard lg (X_("POSIX"));
- snprintf (buf, sizeof (buf), "%f", x);
+ snprintf (buf, sizeof (buf), "%.12g", x);
root->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%f", y);
+ snprintf (buf, sizeof (buf), "%.12g", y);
root->add_property (X_("y"), buf);
root->add_property (X_("type"), Multi2dPanner::name);
_linked = false;
_link_direction = SameDirection;
_bypassed = false;
-
- reset_midi_control (_session.mmc_port(), _session.get_mmc_control());
}
Panner::~Panner ()
(*x)->update ();
}
- reset_midi_control (_session.mmc_port(), _session.get_mmc_control());
-
/* force hard left/right panning in a common case: 2in/2out
*/
PanPlugins pan_plugins[] = {
{ EqualPowerStereoPanner::name, 2, EqualPowerStereoPanner::factory },
{ Multi2dPanner::name, 3, Multi2dPanner::factory },
- { string (""), 0 }
+ { string (""), 0, 0 }
};
XMLNode&
for (vector<Panner::Output>::iterator o = outputs.begin(); o != outputs.end(); ++o) {
XMLNode* onode = new XMLNode (X_("Output"));
- snprintf (buf, sizeof (buf), "%f", (*o).x);
+ snprintf (buf, sizeof (buf), "%.12g", (*o).x);
onode->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%f", (*o).y);
+ snprintf (buf, sizeof (buf), "%.12g", (*o).y);
onode->add_property (X_("y"), buf);
root->add_child_nocopy (*onode);
}
float x, y;
prop = (*niter)->property (X_("x"));
- sscanf (prop->value().c_str(), "%f", &x);
+ sscanf (prop->value().c_str(), "%.12g", &x);
prop = (*niter)->property (X_("y"));
- sscanf (prop->value().c_str(), "%f", &y);
+ sscanf (prop->value().c_str(), "%.12g", &y);
outputs.push_back (Output (x, y));
}
return false;
}
-void
-Panner::reset_midi_control (MIDI::Port* port, bool on)
-{
- for (vector<StreamPanner*>::const_iterator i = begin(); i != end(); ++i) {
- (*i)->reset_midi_control (port, on);
- }
-}
-
void
Panner::set_position (float xpos, StreamPanner& orig)
{
}
}
}
-
-void
-Panner::send_all_midi_feedback ()
-{
- if (_session.get_midi_feedback()) {
- float xpos;
-
- // do feedback for all panners
- for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->get_effective_position (xpos);
-
- (*i)->midi_control().send_feedback (xpos);
- }
-
- }
-}
-
-MIDI::byte*
-Panner::write_midi_feedback (MIDI::byte* buf, int32_t& bufsize)
-{
- AutoState astate = automation_state ();
-
- if (_session.get_midi_feedback() &&
- (astate == Play || (astate == Touch && !touching()))) {
-
- float xpos;
-
- // do feedback for all panners
- for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->get_effective_position (xpos);
-
- buf = (*i)->midi_control().write_feedback (buf, bufsize, xpos);
- }
-
- }
-
- return buf;
-}
-
projects / ardour.git / blobdiff