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Diffstat (limited to 'libs/ardour/send.cc')
| -rw-r--r-- | libs/ardour/send.cc | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc deleted file mode 100644 index 736a443c72..0000000000 --- a/libs/ardour/send.cc +++ /dev/null @@ -1,228 +0,0 @@ -/* - Copyright (C) 2000 Paul Davis - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - -#include <algorithm> - -#include <pbd/xml++.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 "i18n.h" - -using namespace ARDOUR; -using namespace PBD; - -Send::Send (Session& s, Placement p) - : IOProcessor (s, string_compose (_("send %1"), (bitslot = s.next_send_id()) + 1), p) -{ - _metering = false; - ProcessorCreated (this); /* EMIT SIGNAL */ -} - -Send::Send (Session& s, const XMLNode& node) - : IOProcessor (s, "send", PreFader) -{ - _metering = false; - - if (set_state (node)) { - throw failed_constructor(); - } - - ProcessorCreated (this); /* EMIT SIGNAL */ -} - -Send::Send (const Send& other) - : IOProcessor (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement()) -{ - _metering = false; - ProcessorCreated (this); /* EMIT SIGNAL */ -} - -Send::~Send () -{ - GoingAway (); -} - -XMLNode& -Send::get_state(void) -{ - return state (true); -} - -XMLNode& -Send::state(bool full) -{ - XMLNode& node = IOProcessor::state(full); - char buf[32]; - node.add_property ("type", "send"); - snprintf (buf, sizeof (buf), "%" PRIu32, bitslot); - node.add_property ("bitslot", buf); - - return node; -} - -int -Send::set_state(const XMLNode& node) -{ - XMLNodeList nlist = node.children(); - XMLNodeIterator niter; - const XMLProperty* prop; - - 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; - - /* Send has regular IO automation (gain, pan) */ - - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == "IOProcessor") { - insert_node = *niter; - } else if ((*niter)->name() == X_("Automation")) { - _io->set_automation_state (*(*niter), Parameter(GainAutomation)); - } - } - - IOProcessor::set_state (*insert_node); - - return 0; -} - -void -Send::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) -{ - if (active()) { - - // we have to copy the input, because IO::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()); - - _io->deliver_output (sendbufs, start_frame, end_frame, nframes, offset); - - if (_metering) { - if (_io->_gain == 0) { - _io->_meter->reset(); - } else { - _io->_meter->run_in_place(_io->output_buffers(), start_frame, end_frame, nframes, offset); - } - } - - } else { - _io->silence (nframes, offset); - - if (_metering) { - _io->_meter->reset(); - } - } -} - -void -Send::set_metering (bool yn) -{ - _metering = yn; - - if (!_metering) { - /* XXX possible thread hazard here */ - _io->peak_meter().reset(); - } -} - -bool -Send::can_support_input_configuration (ChanCount in) const -{ - if (_io->input_maximum() == ChanCount::INFINITE && _io->output_maximum() == ChanCount::INFINITE) { - - /* not configured yet */ - - return true; /* we can support anything the first time we're asked */ - - } else { - - /* the "input" config for a port insert corresponds to how - many output ports it will have. - */ - - if (_io->output_maximum() == in) { - - return true; - } - } - - return false; -} - -ChanCount -Send::output_for_input_configuration (ChanCount in) const -{ - // from the internal (Insert) perspective a Send does not modify its input whatsoever - return in; -} - -bool -Send::configure_io (ChanCount in, ChanCount out) -{ - /* we're transparent no matter what. fight the power. */ - if (out != in) - return false; - - _io->set_output_maximum (in); - _io->set_output_minimum (in); - _io->set_input_maximum (ChanCount::ZERO); - _io->set_input_minimum (ChanCount::ZERO); - - bool success = _io->ensure_io (ChanCount::ZERO, in, false, this) == 0; - - if (success) { - Processor::configure_io(in, out); - _io->reset_panner(); - return true; - } else { - return false; - } -} - -ChanCount -Send::output_streams() const -{ - // this method reflects the idea that from the perspective of the Route's ProcessorList, - // a send is just a passthrough. that doesn't match what the Send actually does with its - // data, but since what it does is invisible to the Route, it appears to be a passthrough. - - return _configured_input; -} - -ChanCount -Send::input_streams() const -{ - return _configured_input; -} - - |