#include "ardour/panner_shell.h"
#include "ardour/runtime_functions.h"
#include "ardour/session.h"
+#include "ardour/speakers.h"
#include "ardour/utils.h"
#include "i18n.h"
PannerShell::PannerShell (string name, Session& s, boost::shared_ptr<Pannable> p)
: SessionObject (s, name)
- , _pannable (p)
+ , _pannable (p)
+ , _bypassed (false)
{
set_name (name);
}
PannerShell::~PannerShell ()
{
- DEBUG_TRACE(DEBUG::Destruction, string_compose ("panner shell for %1 destructor, pannable is %2\n", _name, _pannable));
+ DEBUG_TRACE(DEBUG::Destruction, string_compose ("panner shell %3 for %1 destructor, panner is %4, pannable is %2\n", _name, _pannable, this, _panner));
}
void
PannerShell::configure_io (ChanCount in, ChanCount out)
{
- uint32_t nouts = out.n_audio();
- uint32_t nins = in.n_audio();
+ uint32_t nouts = out.n_audio();
+ uint32_t nins = in.n_audio();
/* if new and old config don't need panning, or if
the config hasn't changed, we're done.
*/
if (_panner && (_panner->in().n_audio() == nins) && (_panner->out().n_audio() == nouts)) {
- return;
+ return;
}
if (nouts < 2 || nins == 0) {
/* no need for panning with less than 2 outputs or no inputs */
if (_panner) {
- _panner.reset ();
+ _panner.reset ();
Changed (); /* EMIT SIGNAL */
}
return;
}
- PannerInfo* pi = PannerManager::instance().select_panner (in, out);
-
- if (pi == 0) {
- abort ();
- }
-
- boost::shared_ptr<Speakers> speakers = _session.get_speakers ();
+ PannerInfo* pi = PannerManager::instance().select_panner (in, out);
+ if (!pi) {
+ cerr << "No panner found: check that panners are being discovered correctly during startup.\n";
+ assert (pi);
+ }
- if (nouts != speakers->size()) {
- /* hmm, output count doesn't match session speaker count so
- create a new speaker set.
- */
- Speakers* s = new Speakers ();
- s->setup_default_speakers (nouts);
- speakers.reset (s);
- }
+ boost::shared_ptr<Speakers> speakers = _session.get_speakers ();
- Panner* p = pi->descriptor.factory (_pannable, speakers);
- boost_debug_shared_ptr_mark_interesting (p, "Panner");
- _panner.reset (p);
- _panner->configure_io (in, out);
+ if (nouts != speakers->size()) {
+ /* hmm, output count doesn't match session speaker count so
+ create a new speaker set.
+ */
+ Speakers* s = new Speakers ();
+ s->setup_default_speakers (nouts);
+ speakers.reset (s);
+ }
- Changed (); /* EMIT SIGNAL */
-}
+ Panner* p = pi->descriptor.factory (_pannable, speakers);
+ // boost_debug_shared_ptr_mark_interesting (p, "Panner");
+ _panner.reset (p);
+ _panner->configure_io (in, out);
-XMLNode&
-PannerShell::get_state (void)
-{
- return state (true);
+ Changed (); /* EMIT SIGNAL */
}
XMLNode&
-PannerShell::state (bool full)
+PannerShell::get_state ()
{
XMLNode* node = new XMLNode ("PannerShell");
- if (_panner) {
- node->add_child_nocopy (_panner->state (full));
+ node->add_property (X_("bypassed"), _bypassed ? X_("yes") : X_("no"));
+
+ if (_panner) {
+ node->add_child_nocopy (_panner->get_state ());
}
return *node;
const XMLProperty *prop;
LocaleGuard lg (X_("POSIX"));
- _panner.reset ();
+ if ((prop = node.property (X_("bypassed"))) != 0) {
+ set_bypassed (string_is_affirmative (prop->value ()));
+ }
+ _panner.reset ();
+
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
if ((*niter)->name() == X_("Panner")) {
if ((prop = (*niter)->property (X_("type")))) {
- list<PannerInfo*>::iterator p;
- PannerManager& pm (PannerManager::instance());
+ list<PannerInfo*>::iterator p;
+ PannerManager& pm (PannerManager::instance());
for (p = pm.panner_info.begin(); p != pm.panner_info.end(); ++p) {
if (prop->value() == (*p)->descriptor.name) {
assumption, but it's still an assumption.
*/
- _panner.reset ((*p)->descriptor.factory (_pannable, _session.get_speakers ()));
+ _panner.reset ((*p)->descriptor.factory (_pannable, _session.get_speakers ()));
if (_panner->set_state (**niter, version) == 0) {
- return -1;
- }
+ return -1;
+ }
break;
}
if (p == pm.panner_info.end()) {
error << string_compose (_("Unknown panner plugin \"%1\" found in pan state - ignored"),
- prop->value())
+ prop->value())
<< endmsg;
}
if (outbufs.count().n_audio() == 1) {
- /* just one output: no real panning going on */
+ /* just one output: no real panning going on */
AudioBuffer& dst = outbufs.get_audio(0);
return;
}
- /* multiple outputs ... we must have a panner */
+ /* multiple outputs ... we must have a panner */
- assert (_panner);
+ assert (_panner);
/* setup silent buffers so that we can mix into the outbuffers (slightly suboptimal -
- better to copy the first set of data then mix after that, but hey, its 2011)
- */
+ better to copy the first set of data then mix after that, but hey, its 2011)
+ */
for (BufferSet::audio_iterator b = outbufs.audio_begin(); b != outbufs.audio_end(); ++b) {
(*b).silence (nframes);
}
- _panner->distribute (inbufs, outbufs, gain_coeff, nframes);
+ _panner->distribute (inbufs, outbufs, gain_coeff, nframes);
}
void
PannerShell::run (BufferSet& inbufs, BufferSet& outbufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes)
{
+ if (inbufs.count().n_audio() == 0) {
+ /* Input has no audio buffers (e.g. Aux Send in a MIDI track at a
+ point with no audio because there is no preceding instrument)
+ */
+ outbufs.silence(nframes, 0);
+ return;
+ }
+
if (outbufs.count().n_audio() == 0) {
// Failing to deliver audio we were asked to deliver is a bug
assert(inbufs.count().n_audio() == 0);
if (outbufs.count().n_audio() == 1) {
- /* one output only: no panner */
+ /* one output only: no panner */
AudioBuffer& dst = outbufs.get_audio(0);
// More than 1 output
- AutoState as = _panner->automation_state ();
+ AutoState as = _panner->automation_state ();
// If we shouldn't play automation defer to distribute_no_automation
} else {
- /* setup the terrible silence so that we can mix into the outbuffers (slightly suboptimal -
- better to copy the first set of data then mix after that, but hey, its 2011)
- */
- for (BufferSet::audio_iterator i = outbufs.audio_begin(); i != outbufs.audio_end(); ++i) {
- i->silence(nframes);
- }
+ /* setup the terrible silence so that we can mix into the outbuffers (slightly suboptimal -
+ better to copy the first set of data then mix after that, but hey, its 2011)
+ */
+ for (BufferSet::audio_iterator i = outbufs.audio_begin(); i != outbufs.audio_end(); ++i) {
+ i->silence(nframes);
+ }
+
+ _panner->distribute_automated (inbufs, outbufs, start_frame, end_frame, nframes, _session.pan_automation_buffer());
+ }
+}
- _panner->distribute_automated (inbufs, outbufs, start_frame, end_frame, nframes, _session.pan_automation_buffer());
- }
+void
+PannerShell::set_bypassed (bool yn)
+{
+ if (yn == _bypassed) {
+ return;
+ }
+
+ _bypassed = yn;
+ Changed (); /* EMIT SIGNAL */
}
+bool
+PannerShell::bypassed () const
+{
+ return _bypassed;
+}