along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <algorithm>
-#include <pbd/xml++.h>
+#include "pbd/xml++.h"
-#include <ardour/send.h>
-#include <ardour/session.h>
-#include <ardour/port.h>
-#include <ardour/audio_port.h>
+#include "ardour/amp.h"
+#include "ardour/send.h"
+#include "ardour/session.h"
+#include "ardour/port.h"
+#include "ardour/audio_port.h"
+#include "ardour/buffer_set.h"
+#include "ardour/meter.h"
+#include "ardour/panner.h"
+#include "ardour/io.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
-Send::Send (Session& s, Placement p)
- : Redirect (s, s.next_send_name(), p)
+Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm, Role r)
+ : Delivery (s, mm, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1), r)
+ , _metering (false)
{
- _metering = false;
- expected_inputs = 0;
- save_state (_("initial state"));
- RedirectCreated (this); /* EMIT SIGNAL */
+ _amp.reset (new Amp (_session, _mute_master));
+ _meter.reset (new PeakMeter (_session));
+
+ ProcessorCreated (this); /* EMIT SIGNAL */
}
-Send::Send (Session& s, const XMLNode& node)
- : Redirect (s, "send", PreFader)
+Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node, Role r)
+ : Delivery (s, mm, "send", r)
+ , _metering (false)
{
- _metering = false;
- expected_inputs = 0;
+ _amp.reset (new Amp (_session, _mute_master));
+ _meter.reset (new PeakMeter (_session));
if (set_state (node)) {
throw failed_constructor();
}
- save_state (_("initial state"));
- RedirectCreated (this); /* EMIT SIGNAL */
+ ProcessorCreated (this); /* EMIT SIGNAL */
}
-Send::Send (const Send& other)
- : Redirect (other._session, other._session.next_send_name(), other.placement())
+Send::~Send ()
{
- _metering = false;
- expected_inputs = 0;
- save_state (_("initial state"));
- RedirectCreated (this); /* EMIT SIGNAL */
+ GoingAway ();
}
-Send::~Send ()
+void
+Send::activate ()
{
- GoingAway (this);
+ _amp->activate ();
+ _meter->activate ();
+
+ Processor::activate ();
+}
+
+void
+Send::deactivate ()
+{
+ _amp->deactivate ();
+ _meter->deactivate ();
+
+ Processor::deactivate ();
+}
+
+void
+Send::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
+{
+ if (_output->n_ports() == ChanCount::ZERO) {
+ _meter->reset ();
+ _active = _pending_active;
+ return;
+ }
+
+ if (!_active && !_pending_active) {
+ _meter->reset ();
+ _output->silence (nframes);
+ _active = _pending_active;
+ return;
+ }
+
+ // we have to copy the input, because deliver_output() may alter the buffers
+ // in-place, which a send must never do.
+
+ BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
+ sendbufs.read_from (bufs, nframes);
+ assert(sendbufs.count() == bufs.count());
+
+ /* gain control */
+
+ // Can't automate gain for sends or returns yet because we need different buffers
+ // so that we don't overwrite the main automation data for the route amp
+ // _amp->setup_gain_automation (start_frame, end_frame, nframes);
+ _amp->run (sendbufs, start_frame, end_frame, nframes);
+
+ /* deliver to outputs */
+
+ Delivery::run (sendbufs, start_frame, end_frame, nframes);
+
+ /* consider metering */
+
+ if (_metering) {
+ if (_amp->gain_control()->get_value() == 0) {
+ _meter->reset();
+ } else {
+ _meter->run (*_output_buffers, start_frame, end_frame, nframes);
+ }
+ }
+
+ /* _active was set to _pending_active by Delivery::run() */
}
XMLNode&
XMLNode&
Send::state(bool full)
{
- XMLNode *node = new XMLNode("Send");
- node->add_child_nocopy (Redirect::state(full));
- return *node;
+ XMLNode& node = Delivery::state(full);
+ char buf[32];
+
+ node.add_property ("type", "send");
+ snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
+ node.add_property ("bitslot", buf);
+
+ return node;
}
int
{
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == Redirect::state_node_name) {
- Redirect::set_state (**niter);
- break;
- }
- }
+ const XMLProperty* prop;
- if (niter == nlist.end()) {
- error << _("XML node describing a send is missing a Redirect node") << endmsg;
- return -1;
+ if ((prop = node.property ("bitslot")) == 0) {
+ _bitslot = _session.next_send_id();
+ } else {
+ sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
+ _session.mark_send_id (_bitslot);
}
+ const XMLNode* insert_node = &node;
+
+ /* XXX need to load automation state & data for amp */
+
+ Delivery::set_state (*insert_node);
+
return 0;
}
-void
-Send::run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset)
+bool
+Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
{
- if (active()) {
-
- // we have to copy the input, because IO::deliver_output may alter the buffers
- // in-place, which a send must never do.
-
- vector<Sample*>& sendbufs = _session.get_send_buffers();
+ /* sends have no impact at all on the channel configuration of the
+ streams passing through the route. so, out == in.
+ */
+
+ out = in;
+ return true;
+}
- for (size_t i=0; i < nbufs; ++i) {
- memcpy (sendbufs[i], bufs[i], sizeof (Sample) * nframes);
- }
-
-
- IO::deliver_output (sendbufs, nbufs, nframes, offset);
+bool
+Send::configure_io (ChanCount in, ChanCount out)
+{
+ if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) {
+ return false;
+ }
+
+ if (!Processor::configure_io (in, out)) {
+ return false;
+ }
- if (_metering) {
- uint32_t n;
- uint32_t no = n_outputs();
+ reset_panner ();
+
+ return true;
+}
- if (_gain == 0) {
+/** Set up the XML description of a send so that its name is unique.
+ * @param state XML send state.
+ * @param session Session.
+ */
+void
+Send::make_unique (XMLNode &state, Session &session)
+{
+ uint32_t const bitslot = session.next_send_id() + 1;
- for (n = 0; n < no; ++n) {
- _peak_power[n] = 0;
- }
+ char buf[32];
+ snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
+ state.property("bitslot")->set_value (buf);
- } else {
+ std::string const name = string_compose (_("send %1"), bitslot);
+
+ state.property("name")->set_value (name);
- for (n = 0; n < no; ++n) {
- _peak_power[n] = Session::compute_peak (audio_output(n)->get_audio_buffer().data(nframes, offset), nframes, _peak_power[n]);
- }
- }
- }
+ XMLNode* io = state.child ("IO");
- } else {
- silence (nframes, offset);
-
- if (_metering) {
- uint32_t n;
- uint32_t no = n_outputs();
-
- for (n = 0; n < no; ++n) {
- _peak_power[n] = 0;
- }
- }
+ if (io) {
+ io->property("name")->set_value (name);
}
}
-void
-Send::set_metering (bool yn)
+bool
+Send::set_name (const std::string& new_name)
{
- _metering = yn;
+ std::string unique_name;
- if (!_metering) {
- /* XXX possible thread hazard here */
- reset_peak_meters ();
+ if (_role == Delivery::Send) {
+ char buf[32];
+ snprintf (buf, sizeof (buf), "%u", _bitslot);
+ unique_name = new_name;
+ unique_name += buf;
+ } else {
+ unique_name = new_name;
}
+
+ return Delivery::set_name (unique_name);
}
-void
-Send::expect_inputs (uint32_t expected)
+bool
+Send::visible () const
{
- if (expected != expected_inputs) {
- expected_inputs = expected;
- reset_panner ();
+ if (_role == Listen) {
+ return false;
}
+
+ return true;
}