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https://github.com/Ardour/ardour.git
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2817 lines
60 KiB
C++
2817 lines
60 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#include <fstream>
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#include <algorithm>
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#include <unistd.h>
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#include <locale.h>
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#include <sigc++/bind.h>
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#include <pbd/lockmonitor.h>
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#include <pbd/xml++.h>
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#include <ardour/audioengine.h>
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#include <ardour/io.h>
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#include <ardour/port.h>
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#include <ardour/connection.h>
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#include <ardour/session.h>
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#include <ardour/cycle_timer.h>
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#include <ardour/panner.h>
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#include <ardour/dB.h>
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#include "i18n.h"
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#include <cmath>
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/*
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A bug in OS X's cmath that causes isnan() and isinf() to be
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"undeclared". the following works around that
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*/
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#if defined(__APPLE__) && defined(__MACH__)
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extern "C" int isnan (double);
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extern "C" int isinf (double);
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#endif
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using namespace std;
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using namespace ARDOUR;
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//using namespace sigc;
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static float current_automation_version_number = 1.0;
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jack_nframes_t IO::_automation_interval = 0;
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const string IO::state_node_name = "IO";
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bool IO::connecting_legal = false;
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bool IO::ports_legal = false;
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bool IO::panners_legal = false;
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sigc::signal<void> IO::GrabPeakPower;
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sigc::signal<int> IO::ConnectingLegal;
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sigc::signal<int> IO::PortsLegal;
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sigc::signal<int> IO::PannersLegal;
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sigc::signal<void,uint32_t> IO::MoreOutputs;
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sigc::signal<int> IO::PortsCreated;
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/* this is a default mapper of MIDI control values to a gain coefficient.
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others can be imagined. see IO::set_midi_to_gain_function().
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*/
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static gain_t direct_midi_to_gain (double fract) {
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/* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
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/* this maxes at +6dB */
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return pow (2.0,(sqrt(sqrt(sqrt(fract)))*198.0-192.0)/6.0);
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}
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static double direct_gain_to_midi (gain_t gain) {
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/* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
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if (gain == 0) return 0.0;
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return pow((6.0*log(gain)/log(2.0)+192.0)/198.0, 8.0);
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}
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static bool sort_ports_by_name (Port* a, Port* b)
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{
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return a->name() < b->name();
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}
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IO::IO (Session& s, string name,
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int input_min, int input_max, int output_min, int output_max)
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: _session (s),
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_name (name),
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_midi_gain_control (*this, _session.midi_port()),
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_gain_automation_curve (0.0, 2.0, 1.0),
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_input_minimum (input_min),
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_input_maximum (input_max),
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_output_minimum (output_min),
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_output_maximum (output_max)
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{
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_id = new_id();
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_panner = new Panner (name, _session);
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_gain = 1.0;
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_desired_gain = 1.0;
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_input_connection = 0;
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_output_connection = 0;
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pending_state_node = 0;
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_ninputs = 0;
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_noutputs = 0;
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no_panner_reset = false;
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deferred_state = 0;
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_midi_gain_control.midi_to_gain = direct_midi_to_gain;
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_midi_gain_control.gain_to_midi = direct_gain_to_midi;
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apply_gain_automation = false;
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last_automation_snapshot = 0;
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_gain_automation_state = Off;
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_gain_automation_style = Absolute;
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GrabPeakPower.connect (mem_fun (*this, &IO::grab_peak_power));
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}
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IO::~IO ()
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{
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LockMonitor lm (io_lock, __LINE__, __FILE__);
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vector<Port *>::iterator i;
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for (i = _inputs.begin(); i != _inputs.end(); ++i) {
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_session.engine().unregister_port (*i);
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}
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for (i = _outputs.begin(); i != _outputs.end(); ++i) {
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_session.engine().unregister_port (*i);
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}
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}
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void
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IO::silence (jack_nframes_t nframes, jack_nframes_t offset)
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{
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/* io_lock, not taken: function must be called from Session::process() calltree */
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for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
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(*i)->silence (nframes, offset);
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}
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}
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void
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IO::apply_declick (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, gain_t initial, gain_t target, bool invert_polarity)
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{
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jack_nframes_t declick = min ((jack_nframes_t)4096, nframes);
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gain_t delta;
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Sample *buffer;
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double fractional_shift;
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double fractional_pos;
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gain_t polscale = invert_polarity ? -1.0f : 1.0f;
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fractional_shift = -1.0/declick;
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if (target < initial) {
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/* fade out: remove more and more of delta from initial */
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delta = -(initial - target);
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} else {
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/* fade in: add more and more of delta from initial */
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delta = target - initial;
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}
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for (uint32_t n = 0; n < nbufs; ++n) {
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buffer = bufs[n];
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fractional_pos = 1.0;
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for (jack_nframes_t nx = 0; nx < declick; ++nx) {
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buffer[nx] *= polscale * (initial + (delta * (0.5 + 0.5 * cos (M_PI * fractional_pos))));
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fractional_pos += fractional_shift;
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}
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/* now ensure the rest of the buffer has the target value
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applied, if necessary.
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*/
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if (declick != nframes) {
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if (invert_polarity) {
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target = -target;
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}
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if (target == 0.0) {
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memset (&buffer[declick], 0, sizeof (Sample) * (nframes - declick));
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} else if (target != 1.0) {
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for (jack_nframes_t nx = declick; nx < nframes; ++nx) {
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buffer[nx] *= target;
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}
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}
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}
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}
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}
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void
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IO::pan_automated (vector<Sample*>& bufs, uint32_t nbufs, jack_nframes_t start, jack_nframes_t end, jack_nframes_t nframes, jack_nframes_t offset)
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{
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Sample* dst;
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/* io_lock, not taken: function must be called from Session::process() calltree */
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if (_noutputs == 0) {
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return;
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}
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if (_noutputs == 1) {
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dst = output(0)->get_buffer (nframes) + offset;
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for (uint32_t n = 0; n < nbufs; ++n) {
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if (bufs[n] != dst) {
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memcpy (dst, bufs[n], sizeof (Sample) * nframes);
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}
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}
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output(0)->mark_silence (false);
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return;
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}
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uint32_t o;
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vector<Port *>::iterator out;
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vector<Sample *>::iterator in;
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Panner::iterator pan;
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Sample* obufs[_noutputs];
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/* the terrible silence ... */
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for (out = _outputs.begin(), o = 0; out != _outputs.end(); ++out, ++o) {
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obufs[o] = (*out)->get_buffer (nframes) + offset;
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memset (obufs[o], 0, sizeof (Sample) * nframes);
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(*out)->mark_silence (false);
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}
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uint32_t n;
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for (pan = _panner->begin(), n = 0; n < nbufs; ++n, ++pan) {
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(*pan)->distribute_automated (bufs[n], obufs, start, end, nframes, _session.pan_automation_buffer());
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}
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}
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void
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IO::pan (vector<Sample*>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset, gain_t gain_coeff)
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{
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Sample* dst;
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Sample* src;
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/* io_lock, not taken: function must be called from Session::process() calltree */
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if (_noutputs == 0) {
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return;
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}
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/* the panner can be empty if there are no inputs to the
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route, but still outputs
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*/
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if (_panner->bypassed() || _panner->empty()) {
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deliver_output_no_pan (bufs, nbufs, nframes, offset);
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return;
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}
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if (_noutputs == 1) {
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dst = output(0)->get_buffer (nframes) + offset;
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if (gain_coeff == 0.0f) {
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/* only one output, and gain was zero, so make it silent */
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memset (dst, 0, sizeof (Sample) * nframes);
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} else if (gain_coeff == 1.0f){
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/* mix all buffers into the output */
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uint32_t n;
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memcpy (dst, bufs[0], sizeof (Sample) * nframes);
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for (n = 1; n < nbufs; ++n) {
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src = bufs[n];
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for (jack_nframes_t n = 0; n < nframes; ++n) {
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dst[n] += src[n];
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}
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}
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output(0)->mark_silence (false);
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} else {
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/* mix all buffers into the output, scaling them all by the gain */
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uint32_t n;
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src = bufs[0];
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for (jack_nframes_t n = 0; n < nframes; ++n) {
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dst[n] = src[n] * gain_coeff;
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}
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for (n = 1; n < nbufs; ++n) {
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src = bufs[n];
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for (jack_nframes_t n = 0; n < nframes; ++n) {
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dst[n] += src[n] * gain_coeff;
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}
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}
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output(0)->mark_silence (false);
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}
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return;
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}
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uint32_t o;
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vector<Port *>::iterator out;
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vector<Sample *>::iterator in;
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Panner::iterator pan;
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Sample* obufs[_noutputs];
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/* the terrible silence ... */
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/* XXX this is wasteful but i see no way to avoid it */
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for (out = _outputs.begin(), o = 0; out != _outputs.end(); ++out, ++o) {
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obufs[o] = (*out)->get_buffer (nframes) + offset;
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memset (obufs[o], 0, sizeof (Sample) * nframes);
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(*out)->mark_silence (false);
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}
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uint32_t n;
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for (pan = _panner->begin(), n = 0; n < nbufs; ++n) {
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Panner::iterator tmp;
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tmp = pan;
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++tmp;
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(*pan)->distribute (bufs[n], obufs, gain_coeff, nframes);
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if (tmp != _panner->end()) {
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pan = tmp;
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}
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}
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}
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void
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IO::deliver_output (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset)
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{
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/* io_lock, not taken: function must be called from Session::process() calltree */
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if (_noutputs == 0) {
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return;
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}
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if (_panner->bypassed() || _panner->empty()) {
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deliver_output_no_pan (bufs, nbufs, nframes, offset);
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return;
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}
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gain_t dg;
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gain_t pangain = _gain;
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{
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TentativeLockMonitor dm (declick_lock, __LINE__, __FILE__);
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if (dm.locked()) {
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dg = _desired_gain;
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} else {
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dg = _gain;
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}
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}
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if (dg != _gain) {
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apply_declick (bufs, nbufs, nframes, _gain, dg, false);
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_gain = dg;
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pangain = 1.0f;
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}
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/* simple, non-automation panning to outputs */
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if (_session.transport_speed() > 1.5f || _session.transport_speed() < -1.5f) {
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pan (bufs, nbufs, nframes, offset, pangain * speed_quietning);
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} else {
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pan (bufs, nbufs, nframes, offset, pangain);
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}
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}
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void
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IO::deliver_output_no_pan (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset)
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{
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/* io_lock, not taken: function must be called from Session::process() calltree */
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if (_noutputs == 0) {
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return;
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}
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gain_t dg;
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gain_t old_gain = _gain;
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if (apply_gain_automation) {
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/* gain has already been applied by automation code. do nothing here except
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speed quietning.
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*/
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_gain = 1.0f;
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dg = _gain;
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} else {
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TentativeLockMonitor dm (declick_lock, __LINE__, __FILE__);
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if (dm.locked()) {
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dg = _desired_gain;
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} else {
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dg = _gain;
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}
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}
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Sample* src;
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Sample* dst;
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uint32_t i;
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vector<Port*>::iterator o;
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vector<Sample*> outs;
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gain_t actual_gain;
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if (dg != _gain) {
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/* unlikely condition */
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for (o = _outputs.begin(), i = 0; o != _outputs.end(); ++o, ++i) {
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outs.push_back ((*o)->get_buffer (nframes) + offset);
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}
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}
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/* reduce nbufs to the index of the last input buffer */
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nbufs--;
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if (_session.transport_speed() > 1.5f || _session.transport_speed() < -1.5f) {
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actual_gain = _gain * speed_quietning;
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} else {
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actual_gain = _gain;
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}
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for (o = _outputs.begin(), i = 0; o != _outputs.end(); ++o, ++i) {
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dst = (*o)->get_buffer (nframes) + offset;
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src = bufs[min(nbufs,i)];
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if (dg != _gain || actual_gain == 1.0f) {
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memcpy (dst, src, sizeof (Sample) * nframes);
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} else if (actual_gain == 0.0f) {
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memset (dst, 0, sizeof (Sample) * nframes);
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} else {
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for (jack_nframes_t x = 0; x < nframes; ++x) {
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dst[x] = src[x] * actual_gain;
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}
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}
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(*o)->mark_silence (false);
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}
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if (dg != _gain) {
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apply_declick (outs, outs.size(), nframes, _gain, dg, false);
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_gain = dg;
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}
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if (apply_gain_automation) {
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_gain = old_gain;
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}
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}
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void
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IO::collect_input (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset)
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{
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/* io_lock, not taken: function must be called from Session::process() calltree */
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vector<Port *>::iterator i;
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uint32_t n;
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Sample *last = 0;
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/* we require that bufs.size() >= 1 */
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for (n = 0, i = _inputs.begin(); n < nbufs; ++i, ++n) {
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if (i == _inputs.end()) {
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break;
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}
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/* XXX always read the full extent of the port buffer that
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we need. One day, we may use jack_port_get_buffer_at_offset()
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or something similar. For now, this simple hack will
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have to do.
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Hack? Why yes .. we only need to read nframes-worth of
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data, but the data we want is at `offset' within the
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buffer.
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*/
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last = (*i)->get_buffer (nframes+offset) + offset;
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// the dest buffer's offset has already been applied
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memcpy (bufs[n], last, sizeof (Sample) * nframes);
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}
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/* fill any excess outputs with the last input */
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while (n < nbufs && last) {
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// the dest buffer's offset has already been applied
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memcpy (bufs[n], last, sizeof (Sample) * nframes);
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++n;
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}
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}
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void
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IO::just_meter_input (jack_nframes_t start_frame, jack_nframes_t end_frame,
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jack_nframes_t nframes, jack_nframes_t offset)
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{
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vector<Sample*>& bufs = _session.get_passthru_buffers ();
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uint32_t nbufs = n_process_buffers ();
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collect_input (bufs, nbufs, nframes, offset);
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for (uint32_t n = 0; n < nbufs; ++n) {
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_peak_power[n] = Session::compute_peak (bufs[n], nframes, _peak_power[n]);
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}
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}
|
|
|
|
void
|
|
IO::drop_input_connection ()
|
|
{
|
|
_input_connection = 0;
|
|
input_connection_configuration_connection.disconnect();
|
|
input_connection_connection_connection.disconnect();
|
|
_session.set_dirty ();
|
|
}
|
|
|
|
void
|
|
IO::drop_output_connection ()
|
|
{
|
|
_output_connection = 0;
|
|
output_connection_configuration_connection.disconnect();
|
|
output_connection_connection_connection.disconnect();
|
|
_session.set_dirty ();
|
|
}
|
|
|
|
int
|
|
IO::disconnect_input (Port* our_port, string other_port, void* src)
|
|
{
|
|
if (other_port.length() == 0 || our_port == 0) {
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
/* check that our_port is really one of ours */
|
|
|
|
if (find (_inputs.begin(), _inputs.end(), our_port) == _inputs.end()) {
|
|
return -1;
|
|
}
|
|
|
|
/* disconnect it from the source */
|
|
|
|
if (_session.engine().disconnect (other_port, our_port->name())) {
|
|
error << string_compose(_("IO: cannot disconnect input port %1 from %2"), our_port->name(), other_port) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
drop_input_connection();
|
|
}
|
|
}
|
|
|
|
input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::connect_input (Port* our_port, string other_port, void* src)
|
|
{
|
|
if (other_port.length() == 0 || our_port == 0) {
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
LockMonitor em(_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
/* check that our_port is really one of ours */
|
|
|
|
if (find (_inputs.begin(), _inputs.end(), our_port) == _inputs.end()) {
|
|
return -1;
|
|
}
|
|
|
|
/* connect it to the source */
|
|
|
|
if (_session.engine().connect (other_port, our_port->name())) {
|
|
return -1;
|
|
}
|
|
|
|
drop_input_connection ();
|
|
}
|
|
}
|
|
|
|
input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::disconnect_output (Port* our_port, string other_port, void* src)
|
|
{
|
|
if (other_port.length() == 0 || our_port == 0) {
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
LockMonitor em(_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
if (find (_outputs.begin(), _outputs.end(), our_port) == _outputs.end()) {
|
|
return -1;
|
|
}
|
|
|
|
/* disconnect it from the destination */
|
|
|
|
if (_session.engine().disconnect (our_port->name(), other_port)) {
|
|
error << string_compose(_("IO: cannot disconnect output port %1 from %2"), our_port->name(), other_port) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
drop_output_connection ();
|
|
}
|
|
}
|
|
|
|
output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::connect_output (Port* our_port, string other_port, void* src)
|
|
{
|
|
if (other_port.length() == 0 || our_port == 0) {
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
LockMonitor em(_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
/* check that our_port is really one of ours */
|
|
|
|
if (find (_outputs.begin(), _outputs.end(), our_port) == _outputs.end()) {
|
|
return -1;
|
|
}
|
|
|
|
/* connect it to the destination */
|
|
|
|
if (_session.engine().connect (our_port->name(), other_port)) {
|
|
return -1;
|
|
}
|
|
|
|
drop_output_connection ();
|
|
}
|
|
}
|
|
|
|
output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::set_input (Port* other_port, void* src)
|
|
{
|
|
/* this removes all but one ports, and connects that one port
|
|
to the specified source.
|
|
*/
|
|
|
|
if (_input_minimum > 1 || _input_minimum == 0) {
|
|
/* sorry, you can't do this */
|
|
return -1;
|
|
}
|
|
|
|
if (other_port == 0) {
|
|
if (_input_minimum < 0) {
|
|
return ensure_inputs (0, false, true, src);
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (ensure_inputs (1, true, true, src)) {
|
|
return -1;
|
|
}
|
|
|
|
return connect_input (_inputs.front(), other_port->name(), src);
|
|
}
|
|
|
|
int
|
|
IO::remove_output_port (Port* port, void* src)
|
|
{
|
|
IOChange change (NoChange);
|
|
|
|
{
|
|
LockMonitor em(_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
if (_noutputs - 1 == (uint32_t) _output_minimum) {
|
|
/* sorry, you can't do this */
|
|
return -1;
|
|
}
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
if (*i == port) {
|
|
change = IOChange (change|ConfigurationChanged);
|
|
if (port->connected()) {
|
|
change = IOChange (change|ConnectionsChanged);
|
|
}
|
|
|
|
_session.engine().unregister_port (*i);
|
|
_outputs.erase (i);
|
|
_noutputs--;
|
|
drop_output_connection ();
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (change != NoChange) {
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (change != NoChange) {
|
|
output_changed (change, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
IO::add_output_port (string destination, void* src)
|
|
{
|
|
Port* our_port;
|
|
char buf[64];
|
|
|
|
{
|
|
LockMonitor em(_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
if (_output_maximum >= 0 && (int) _noutputs == _output_maximum) {
|
|
return -1;
|
|
}
|
|
|
|
/* Create a new output port */
|
|
|
|
if (_output_maximum == 1) {
|
|
snprintf (buf, sizeof (buf), _("%s/out"), _name.c_str());
|
|
} else {
|
|
snprintf (buf, sizeof (buf), _("%s/out %u"), _name.c_str(), find_output_port_hole());
|
|
}
|
|
|
|
if ((our_port = _session.engine().register_audio_output_port (buf)) == 0) {
|
|
error << string_compose(_("IO: cannot register output port %1"), buf) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
_outputs.push_back (our_port);
|
|
sort (_outputs.begin(), _outputs.end(), sort_ports_by_name);
|
|
++_noutputs;
|
|
drop_output_connection ();
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
}
|
|
|
|
MoreOutputs (_noutputs); /* EMIT SIGNAL */
|
|
}
|
|
|
|
if (destination.length()) {
|
|
if (_session.engine().connect (our_port->name(), destination)) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
// pan_changed (src); /* EMIT SIGNAL */
|
|
output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::remove_input_port (Port* port, void* src)
|
|
{
|
|
IOChange change (NoChange);
|
|
|
|
{
|
|
LockMonitor em(_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
if (((int)_ninputs - 1) < _input_minimum) {
|
|
/* sorry, you can't do this */
|
|
return -1;
|
|
}
|
|
for (vector<Port *>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
|
|
if (*i == port) {
|
|
change = IOChange (change|ConfigurationChanged);
|
|
|
|
if (port->connected()) {
|
|
change = IOChange (change|ConnectionsChanged);
|
|
}
|
|
|
|
_session.engine().unregister_port (*i);
|
|
_inputs.erase (i);
|
|
_ninputs--;
|
|
drop_input_connection ();
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (change != NoChange) {
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (change != NoChange) {
|
|
input_changed (change, src);
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
IO::add_input_port (string source, void* src)
|
|
{
|
|
Port* our_port;
|
|
char buf[64];
|
|
|
|
{
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
if (_input_maximum >= 0 && (int) _ninputs == _input_maximum) {
|
|
return -1;
|
|
}
|
|
|
|
/* Create a new input port */
|
|
|
|
if (_input_maximum == 1) {
|
|
snprintf (buf, sizeof (buf), _("%s/in"), _name.c_str());
|
|
} else {
|
|
snprintf (buf, sizeof (buf), _("%s/in %u"), _name.c_str(), find_input_port_hole());
|
|
}
|
|
|
|
if ((our_port = _session.engine().register_audio_input_port (buf)) == 0) {
|
|
error << string_compose(_("IO: cannot register input port %1"), buf) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
_inputs.push_back (our_port);
|
|
sort (_inputs.begin(), _inputs.end(), sort_ports_by_name);
|
|
++_ninputs;
|
|
drop_input_connection ();
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
}
|
|
|
|
MoreOutputs (_ninputs); /* EMIT SIGNAL */
|
|
}
|
|
|
|
if (source.length()) {
|
|
|
|
if (_session.engine().connect (source, our_port->name())) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
// pan_changed (src); /* EMIT SIGNAL */
|
|
input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::disconnect_inputs (void* src)
|
|
{
|
|
{
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
for (vector<Port *>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
_session.engine().disconnect (*i);
|
|
}
|
|
|
|
drop_input_connection ();
|
|
}
|
|
}
|
|
input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::disconnect_outputs (void* src)
|
|
{
|
|
{
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
_session.engine().disconnect (*i);
|
|
}
|
|
|
|
drop_output_connection ();
|
|
}
|
|
}
|
|
|
|
output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
return 0;
|
|
}
|
|
|
|
bool
|
|
IO::ensure_inputs_locked (uint32_t n, bool clear, void* src)
|
|
{
|
|
Port* input_port;
|
|
bool changed = false;
|
|
bool reduced = false;
|
|
|
|
/* remove unused ports */
|
|
|
|
while (_ninputs > n) {
|
|
_session.engine().unregister_port (_inputs.back());
|
|
_inputs.pop_back();
|
|
_ninputs--;
|
|
reduced = true;
|
|
changed = true;
|
|
}
|
|
|
|
/* create any necessary new ports */
|
|
|
|
while (_ninputs < n) {
|
|
|
|
char buf[64];
|
|
|
|
/* Create a new input port */
|
|
|
|
if (_input_maximum == 1) {
|
|
snprintf (buf, sizeof (buf), _("%s/in"), _name.c_str());
|
|
}
|
|
else {
|
|
snprintf (buf, sizeof (buf), _("%s/in %u"), _name.c_str(), find_input_port_hole());
|
|
}
|
|
|
|
try {
|
|
|
|
if ((input_port = _session.engine().register_audio_input_port (buf)) == 0) {
|
|
error << string_compose(_("IO: cannot register input port %1"), buf) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
catch (AudioEngine::PortRegistrationFailure& err) {
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
/* pass it on */
|
|
throw err;
|
|
}
|
|
|
|
_inputs.push_back (input_port);
|
|
sort (_inputs.begin(), _inputs.end(), sort_ports_by_name);
|
|
++_ninputs;
|
|
changed = true;
|
|
}
|
|
|
|
if (changed) {
|
|
drop_input_connection ();
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
MoreOutputs (_ninputs); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
}
|
|
|
|
if (clear) {
|
|
/* disconnect all existing ports so that we get a fresh start */
|
|
|
|
for (vector<Port *>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
_session.engine().disconnect (*i);
|
|
}
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
int
|
|
IO::ensure_io (uint32_t nin, uint32_t nout, bool clear, void* src)
|
|
{
|
|
bool in_changed = false;
|
|
bool out_changed = false;
|
|
bool in_reduced = false;
|
|
bool out_reduced = false;
|
|
bool need_pan_reset;
|
|
|
|
if (_input_maximum >= 0) {
|
|
nin = min (_input_maximum, (int) nin);
|
|
}
|
|
|
|
if (_output_maximum >= 0) {
|
|
nout = min (_output_maximum, (int) nout);
|
|
}
|
|
|
|
if (nin == _ninputs && nout == _noutputs && !clear) {
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
Port* port;
|
|
|
|
if (_noutputs == nout) {
|
|
need_pan_reset = false;
|
|
} else {
|
|
need_pan_reset = true;
|
|
}
|
|
|
|
/* remove unused ports */
|
|
|
|
while (_ninputs > nin) {
|
|
_session.engine().unregister_port (_inputs.back());
|
|
_inputs.pop_back();
|
|
_ninputs--;
|
|
in_reduced = true;
|
|
in_changed = true;
|
|
}
|
|
|
|
while (_noutputs > nout) {
|
|
_session.engine().unregister_port (_outputs.back());
|
|
_outputs.pop_back();
|
|
_noutputs--;
|
|
out_reduced = true;
|
|
out_changed = true;
|
|
}
|
|
|
|
/* create any necessary new ports */
|
|
|
|
while (_ninputs < nin) {
|
|
|
|
char buf[64];
|
|
|
|
/* Create a new input port */
|
|
|
|
if (_input_maximum == 1) {
|
|
snprintf (buf, sizeof (buf), _("%s/in"), _name.c_str());
|
|
}
|
|
else {
|
|
snprintf (buf, sizeof (buf), _("%s/in %u"), _name.c_str(), find_input_port_hole());
|
|
}
|
|
|
|
try {
|
|
if ((port = _session.engine().register_audio_input_port (buf)) == 0) {
|
|
error << string_compose(_("IO: cannot register input port %1"), buf) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
catch (AudioEngine::PortRegistrationFailure& err) {
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
/* pass it on */
|
|
throw err;
|
|
}
|
|
|
|
_inputs.push_back (port);
|
|
++_ninputs;
|
|
in_changed = true;
|
|
}
|
|
|
|
/* create any necessary new ports */
|
|
|
|
while (_noutputs < nout) {
|
|
|
|
char buf[64];
|
|
|
|
/* Create a new output port */
|
|
|
|
if (_output_maximum == 1) {
|
|
snprintf (buf, sizeof (buf), _("%s/out"), _name.c_str());
|
|
} else {
|
|
snprintf (buf, sizeof (buf), _("%s/out %u"), _name.c_str(), find_output_port_hole());
|
|
}
|
|
|
|
try {
|
|
if ((port = _session.engine().register_audio_output_port (buf)) == 0) {
|
|
error << string_compose(_("IO: cannot register output port %1"), buf) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
catch (AudioEngine::PortRegistrationFailure& err) {
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
/* pass it on */
|
|
throw err;
|
|
}
|
|
|
|
_outputs.push_back (port);
|
|
++_noutputs;
|
|
out_changed = true;
|
|
}
|
|
|
|
if (clear) {
|
|
|
|
/* disconnect all existing ports so that we get a fresh start */
|
|
|
|
for (vector<Port *>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
_session.engine().disconnect (*i);
|
|
}
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
_session.engine().disconnect (*i);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (in_changed || out_changed) {
|
|
setup_peak_meters ();
|
|
reset_panner ();
|
|
}
|
|
|
|
if (out_changed) {
|
|
sort (_outputs.begin(), _outputs.end(), sort_ports_by_name);
|
|
drop_output_connection ();
|
|
output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
|
|
}
|
|
|
|
if (in_changed) {
|
|
sort (_inputs.begin(), _inputs.end(), sort_ports_by_name);
|
|
drop_input_connection ();
|
|
input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
|
|
}
|
|
|
|
if (in_changed || out_changed) {
|
|
MoreOutputs (max (_noutputs, _ninputs)); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::ensure_inputs (uint32_t n, bool clear, bool lockit, void* src)
|
|
{
|
|
bool changed = false;
|
|
|
|
if (_input_maximum >= 0) {
|
|
n = min (_input_maximum, (int) n);
|
|
|
|
if (n == _ninputs && !clear) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (lockit) {
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
changed = ensure_inputs_locked (n, clear, src);
|
|
} else {
|
|
changed = ensure_inputs_locked (n, clear, src);
|
|
}
|
|
|
|
if (changed) {
|
|
input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool
|
|
IO::ensure_outputs_locked (uint32_t n, bool clear, void* src)
|
|
{
|
|
Port* output_port;
|
|
bool changed = false;
|
|
bool reduced = false;
|
|
bool need_pan_reset;
|
|
|
|
if (_noutputs == n) {
|
|
need_pan_reset = false;
|
|
} else {
|
|
need_pan_reset = true;
|
|
}
|
|
|
|
/* remove unused ports */
|
|
|
|
while (_noutputs > n) {
|
|
|
|
_session.engine().unregister_port (_outputs.back());
|
|
_outputs.pop_back();
|
|
_noutputs--;
|
|
reduced = true;
|
|
changed = true;
|
|
}
|
|
|
|
/* create any necessary new ports */
|
|
|
|
while (_noutputs < n) {
|
|
|
|
char buf[64];
|
|
|
|
/* Create a new output port */
|
|
|
|
if (_output_maximum == 1) {
|
|
snprintf (buf, sizeof (buf), _("%s/out"), _name.c_str());
|
|
} else {
|
|
snprintf (buf, sizeof (buf), _("%s/out %u"), _name.c_str(), find_output_port_hole());
|
|
}
|
|
|
|
if ((output_port = _session.engine().register_audio_output_port (buf)) == 0) {
|
|
error << string_compose(_("IO: cannot register output port %1"), buf) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
_outputs.push_back (output_port);
|
|
sort (_outputs.begin(), _outputs.end(), sort_ports_by_name);
|
|
++_noutputs;
|
|
changed = true;
|
|
setup_peak_meters ();
|
|
|
|
if (need_pan_reset) {
|
|
reset_panner ();
|
|
}
|
|
}
|
|
|
|
if (changed) {
|
|
drop_output_connection ();
|
|
MoreOutputs (_noutputs); /* EMIT SIGNAL */
|
|
_session.set_dirty ();
|
|
}
|
|
|
|
if (clear) {
|
|
/* disconnect all existing ports so that we get a fresh start */
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
_session.engine().disconnect (*i);
|
|
}
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
int
|
|
IO::ensure_outputs (uint32_t n, bool clear, bool lockit, void* src)
|
|
{
|
|
bool changed = false;
|
|
|
|
if (_output_maximum >= 0) {
|
|
n = min (_output_maximum, (int) n);
|
|
if (n == _noutputs && !clear) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* XXX caller should hold io_lock, but generally doesn't */
|
|
|
|
if (lockit) {
|
|
LockMonitor em (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
changed = ensure_outputs_locked (n, clear, src);
|
|
} else {
|
|
changed = ensure_outputs_locked (n, clear, src);
|
|
}
|
|
|
|
if (changed) {
|
|
output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
gain_t
|
|
IO::effective_gain () const
|
|
{
|
|
if (gain_automation_playback()) {
|
|
return _effective_gain;
|
|
} else {
|
|
return _desired_gain;
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::reset_panner ()
|
|
{
|
|
if (panners_legal) {
|
|
if (!no_panner_reset) {
|
|
_panner->reset (_noutputs, pans_required());
|
|
}
|
|
} else {
|
|
panner_legal_c.disconnect ();
|
|
panner_legal_c = PannersLegal.connect (mem_fun (*this, &IO::panners_became_legal));
|
|
}
|
|
}
|
|
|
|
int
|
|
IO::panners_became_legal ()
|
|
{
|
|
_panner->reset (_noutputs, pans_required());
|
|
_panner->load (); // automation
|
|
panner_legal_c.disconnect ();
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
IO::defer_pan_reset ()
|
|
{
|
|
no_panner_reset = true;
|
|
}
|
|
|
|
void
|
|
IO::allow_pan_reset ()
|
|
{
|
|
no_panner_reset = false;
|
|
reset_panner ();
|
|
}
|
|
|
|
|
|
XMLNode&
|
|
IO::get_state (void)
|
|
{
|
|
return state (true);
|
|
}
|
|
|
|
XMLNode&
|
|
IO::state (bool full_state)
|
|
{
|
|
XMLNode* node = new XMLNode (state_node_name);
|
|
char buf[32];
|
|
string str;
|
|
bool need_ins = true;
|
|
bool need_outs = true;
|
|
LocaleGuard lg (X_("POSIX"));
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
node->add_property("name", _name);
|
|
snprintf (buf, sizeof(buf), "%" PRIu64, id());
|
|
node->add_property("id", buf);
|
|
|
|
str = "";
|
|
|
|
if (_input_connection) {
|
|
node->add_property ("input-connection", _input_connection->name());
|
|
need_ins = false;
|
|
}
|
|
|
|
if (_output_connection) {
|
|
node->add_property ("output-connection", _output_connection->name());
|
|
need_outs = false;
|
|
}
|
|
|
|
if (need_ins) {
|
|
for (vector<Port *>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
|
|
const char **connections = (*i)->get_connections();
|
|
|
|
if (connections && connections[0]) {
|
|
str += '{';
|
|
|
|
for (int n = 0; connections && connections[n]; ++n) {
|
|
if (n) {
|
|
str += ',';
|
|
}
|
|
|
|
/* if its a connection to our own port,
|
|
return only the port name, not the
|
|
whole thing. this allows connections
|
|
to be re-established even when our
|
|
client name is different.
|
|
*/
|
|
|
|
str += _session.engine().make_port_name_relative (connections[n]);
|
|
}
|
|
|
|
str += '}';
|
|
|
|
free (connections);
|
|
}
|
|
else {
|
|
str += "{}";
|
|
}
|
|
}
|
|
|
|
node->add_property ("inputs", str);
|
|
}
|
|
|
|
if (need_outs) {
|
|
str = "";
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
|
|
const char **connections = (*i)->get_connections();
|
|
|
|
if (connections && connections[0]) {
|
|
|
|
str += '{';
|
|
|
|
for (int n = 0; connections[n]; ++n) {
|
|
if (n) {
|
|
str += ',';
|
|
}
|
|
|
|
str += _session.engine().make_port_name_relative (connections[n]);
|
|
}
|
|
|
|
str += '}';
|
|
|
|
free (connections);
|
|
}
|
|
else {
|
|
str += "{}";
|
|
}
|
|
}
|
|
|
|
node->add_property ("outputs", str);
|
|
}
|
|
|
|
node->add_child_nocopy (_panner->state (full_state));
|
|
|
|
snprintf (buf, sizeof(buf), "%2.12f", gain());
|
|
node->add_property ("gain", buf);
|
|
|
|
snprintf (buf, sizeof(buf)-1, "%d,%d,%d,%d",
|
|
_input_minimum,
|
|
_input_maximum,
|
|
_output_minimum,
|
|
_output_maximum);
|
|
|
|
node->add_property ("iolimits", buf);
|
|
|
|
/* MIDI control */
|
|
|
|
MIDI::channel_t chn;
|
|
MIDI::eventType ev;
|
|
MIDI::byte additional;
|
|
XMLNode* midi_node = 0;
|
|
XMLNode* child;
|
|
|
|
if (_midi_gain_control.get_control_info (chn, ev, additional)) {
|
|
|
|
midi_node = node->add_child ("MIDI");
|
|
|
|
child = midi_node->add_child ("gain");
|
|
set_midi_node_info (child, ev, chn, additional);
|
|
}
|
|
|
|
/* automation */
|
|
|
|
if (full_state) {
|
|
snprintf (buf, sizeof (buf), "0x%x", (int) _gain_automation_curve.automation_state());
|
|
} else {
|
|
/* never store anything except Off for automation state in a template */
|
|
snprintf (buf, sizeof (buf), "0x%x", ARDOUR::Off);
|
|
}
|
|
node->add_property ("automation-state", buf);
|
|
snprintf (buf, sizeof (buf), "0x%x", (int) _gain_automation_curve.automation_style());
|
|
node->add_property ("automation-style", buf);
|
|
|
|
/* XXX same for pan etc. */
|
|
|
|
return *node;
|
|
}
|
|
|
|
int
|
|
IO::connecting_became_legal ()
|
|
{
|
|
int ret;
|
|
|
|
if (pending_state_node == 0) {
|
|
fatal << _("IO::connecting_became_legal() called without a pending state node") << endmsg;
|
|
/*NOTREACHED*/
|
|
return -1;
|
|
}
|
|
|
|
connection_legal_c.disconnect ();
|
|
|
|
ret = make_connections (*pending_state_node);
|
|
|
|
if (ports_legal) {
|
|
delete pending_state_node;
|
|
pending_state_node = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
IO::ports_became_legal ()
|
|
{
|
|
int ret;
|
|
|
|
if (pending_state_node == 0) {
|
|
fatal << _("IO::ports_became_legal() called without a pending state node") << endmsg;
|
|
/*NOTREACHED*/
|
|
return -1;
|
|
}
|
|
|
|
port_legal_c.disconnect ();
|
|
|
|
ret = create_ports (*pending_state_node);
|
|
|
|
if (connecting_legal) {
|
|
delete pending_state_node;
|
|
pending_state_node = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
IO::set_state (const XMLNode& node)
|
|
{
|
|
const XMLProperty* prop;
|
|
XMLNodeConstIterator iter;
|
|
XMLNodeList midi_kids;
|
|
LocaleGuard lg (X_("POSIX"));
|
|
|
|
/* force use of non-localized representation of decimal point,
|
|
since we use it a lot in XML files and so forth.
|
|
*/
|
|
|
|
if (node.name() != state_node_name) {
|
|
error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((prop = node.property ("name")) != 0) {
|
|
_name = prop->value();
|
|
_panner->set_name (_name);
|
|
}
|
|
|
|
if ((prop = node.property ("id")) != 0) {
|
|
sscanf (prop->value().c_str(), "%" PRIu64, &_id);
|
|
}
|
|
|
|
if ((prop = node.property ("iolimits")) != 0) {
|
|
sscanf (prop->value().c_str(), "%d,%d,%d,%d",
|
|
&_input_minimum,
|
|
&_input_maximum,
|
|
&_output_minimum,
|
|
&_output_maximum);
|
|
}
|
|
|
|
if ((prop = node.property ("gain")) != 0) {
|
|
set_gain (atof (prop->value().c_str()), this);
|
|
_gain = _desired_gain;
|
|
}
|
|
|
|
for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
|
|
if ((*iter)->name() == "Panner") {
|
|
_panner->set_state (**iter);
|
|
}
|
|
}
|
|
|
|
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() == "gain") {
|
|
|
|
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_gain_control.set_control_type (chn, ev, additional);
|
|
} else {
|
|
error << string_compose(_("MIDI gain control specification for %1 is incomplete, so it has been ignored"), _name) << endmsg;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((prop = node.property ("automation-state")) != 0) {
|
|
|
|
long int x;
|
|
x = strtol (prop->value().c_str(), 0, 16);
|
|
set_gain_automation_state (AutoState (x));
|
|
}
|
|
|
|
if ((prop = node.property ("automation-style")) != 0) {
|
|
|
|
long int x;
|
|
x = strtol (prop->value().c_str(), 0, 16);
|
|
set_gain_automation_style (AutoStyle (x));
|
|
}
|
|
|
|
if (ports_legal) {
|
|
|
|
if (create_ports (node)) {
|
|
return -1;
|
|
}
|
|
|
|
} else {
|
|
|
|
port_legal_c = PortsLegal.connect (mem_fun (*this, &IO::ports_became_legal));
|
|
}
|
|
|
|
if (panners_legal) {
|
|
reset_panner ();
|
|
} else {
|
|
panner_legal_c = PannersLegal.connect (mem_fun (*this, &IO::panners_became_legal));
|
|
}
|
|
|
|
if (connecting_legal) {
|
|
|
|
if (make_connections (node)) {
|
|
return -1;
|
|
}
|
|
|
|
} else {
|
|
|
|
connection_legal_c = ConnectingLegal.connect (mem_fun (*this, &IO::connecting_became_legal));
|
|
}
|
|
|
|
if (!ports_legal || !connecting_legal) {
|
|
pending_state_node = new XMLNode (node);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::create_ports (const XMLNode& node)
|
|
{
|
|
const XMLProperty* prop;
|
|
int num_inputs = 0;
|
|
int num_outputs = 0;
|
|
|
|
if ((prop = node.property ("input-connection")) != 0) {
|
|
|
|
Connection* c = _session.connection_by_name (prop->value());
|
|
|
|
if (c == 0) {
|
|
error << string_compose(_("Unknown connection \"%1\" listed for input of %2"), prop->value(), _name) << endmsg;
|
|
|
|
if ((c = _session.connection_by_name (_("in 1"))) == 0) {
|
|
error << _("No input connections available as a replacement")
|
|
<< endmsg;
|
|
return -1;
|
|
} else {
|
|
info << string_compose (_("Connection %1 was not available - \"in 1\" used instead"), prop->value())
|
|
<< endmsg;
|
|
}
|
|
}
|
|
|
|
num_inputs = c->nports();
|
|
|
|
} else if ((prop = node.property ("inputs")) != 0) {
|
|
|
|
num_inputs = count (prop->value().begin(), prop->value().end(), '{');
|
|
}
|
|
|
|
if ((prop = node.property ("output-connection")) != 0) {
|
|
Connection* c = _session.connection_by_name (prop->value());
|
|
|
|
if (c == 0) {
|
|
error << string_compose(_("Unknown connection \"%1\" listed for output of %2"), prop->value(), _name) << endmsg;
|
|
|
|
if ((c = _session.connection_by_name (_("out 1"))) == 0) {
|
|
error << _("No output connections available as a replacement")
|
|
<< endmsg;
|
|
return -1;
|
|
} else {
|
|
info << string_compose (_("Connection %1 was not available - \"out 1\" used instead"), prop->value())
|
|
<< endmsg;
|
|
}
|
|
}
|
|
|
|
num_outputs = c->nports ();
|
|
|
|
} else if ((prop = node.property ("outputs")) != 0) {
|
|
num_outputs = count (prop->value().begin(), prop->value().end(), '{');
|
|
}
|
|
|
|
no_panner_reset = true;
|
|
|
|
if (ensure_io (num_inputs, num_outputs, true, this)) {
|
|
error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
no_panner_reset = false;
|
|
|
|
set_deferred_state ();
|
|
|
|
PortsCreated();
|
|
return 0;
|
|
}
|
|
|
|
bool
|
|
IO::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
|
|
IO::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;
|
|
}
|
|
|
|
|
|
int
|
|
IO::make_connections (const XMLNode& node)
|
|
{
|
|
const XMLProperty* prop;
|
|
|
|
if ((prop = node.property ("input-connection")) != 0) {
|
|
Connection* c = _session.connection_by_name (prop->value());
|
|
|
|
if (c == 0) {
|
|
error << string_compose(_("Unknown connection \"%1\" listed for input of %2"), prop->value(), _name) << endmsg;
|
|
|
|
if ((c = _session.connection_by_name (_("in 1"))) == 0) {
|
|
error << _("No input connections available as a replacement")
|
|
<< endmsg;
|
|
return -1;
|
|
} else {
|
|
info << string_compose (_("Connection %1 was not available - \"in 1\" used instead"), prop->value())
|
|
<< endmsg;
|
|
}
|
|
}
|
|
|
|
use_input_connection (*c, this);
|
|
|
|
} else if ((prop = node.property ("inputs")) != 0) {
|
|
if (set_inputs (prop->value())) {
|
|
error << string_compose(_("improper input channel list in XML node (%1)"), prop->value()) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if ((prop = node.property ("output-connection")) != 0) {
|
|
Connection* c = _session.connection_by_name (prop->value());
|
|
|
|
if (c == 0) {
|
|
error << string_compose(_("Unknown connection \"%1\" listed for output of %2"), prop->value(), _name) << endmsg;
|
|
|
|
if ((c = _session.connection_by_name (_("out 1"))) == 0) {
|
|
error << _("No output connections available as a replacement")
|
|
<< endmsg;
|
|
return -1;
|
|
} else {
|
|
info << string_compose (_("Connection %1 was not available - \"out 1\" used instead"), prop->value())
|
|
<< endmsg;
|
|
}
|
|
}
|
|
|
|
use_output_connection (*c, this);
|
|
|
|
} else if ((prop = node.property ("outputs")) != 0) {
|
|
if (set_outputs (prop->value())) {
|
|
error << string_compose(_("improper output channel list in XML node (%1)"), prop->value()) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::set_inputs (const string& str)
|
|
{
|
|
vector<string> ports;
|
|
int i;
|
|
int n;
|
|
uint32_t nports;
|
|
|
|
if ((nports = count (str.begin(), str.end(), '{')) == 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (ensure_inputs (nports, true, true, this)) {
|
|
return -1;
|
|
}
|
|
|
|
string::size_type start, end, ostart;
|
|
|
|
ostart = 0;
|
|
start = 0;
|
|
end = 0;
|
|
i = 0;
|
|
|
|
while ((start = str.find_first_of ('{', ostart)) != string::npos) {
|
|
start += 1;
|
|
|
|
if ((end = str.find_first_of ('}', start)) == string::npos) {
|
|
error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
|
|
error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
|
|
|
|
return -1;
|
|
|
|
} else if (n > 0) {
|
|
|
|
for (int x = 0; x < n; ++x) {
|
|
connect_input (input (i), ports[x], this);
|
|
}
|
|
}
|
|
|
|
ostart = end+1;
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::set_outputs (const string& str)
|
|
{
|
|
vector<string> ports;
|
|
int i;
|
|
int n;
|
|
uint32_t nports;
|
|
|
|
if ((nports = count (str.begin(), str.end(), '{')) == 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (ensure_outputs (nports, true, true, this)) {
|
|
return -1;
|
|
}
|
|
|
|
string::size_type start, end, ostart;
|
|
|
|
ostart = 0;
|
|
start = 0;
|
|
end = 0;
|
|
i = 0;
|
|
|
|
while ((start = str.find_first_of ('{', ostart)) != string::npos) {
|
|
start += 1;
|
|
|
|
if ((end = str.find_first_of ('}', start)) == string::npos) {
|
|
error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
|
|
error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
|
|
|
|
return -1;
|
|
|
|
} else if (n > 0) {
|
|
|
|
for (int x = 0; x < n; ++x) {
|
|
connect_output (output (i), ports[x], this);
|
|
}
|
|
}
|
|
|
|
ostart = end+1;
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::parse_io_string (const string& str, vector<string>& ports)
|
|
{
|
|
string::size_type pos, opos;
|
|
|
|
if (str.length() == 0) {
|
|
return 0;
|
|
}
|
|
|
|
pos = 0;
|
|
opos = 0;
|
|
|
|
ports.clear ();
|
|
|
|
while ((pos = str.find_first_of (',', opos)) != string::npos) {
|
|
ports.push_back (str.substr (opos, pos - opos));
|
|
opos = pos + 1;
|
|
}
|
|
|
|
if (opos < str.length()) {
|
|
ports.push_back (str.substr(opos));
|
|
}
|
|
|
|
return ports.size();
|
|
}
|
|
|
|
int
|
|
IO::parse_gain_string (const string& str, vector<string>& ports)
|
|
{
|
|
string::size_type pos, opos;
|
|
|
|
pos = 0;
|
|
opos = 0;
|
|
ports.clear ();
|
|
|
|
while ((pos = str.find_first_of (',', opos)) != string::npos) {
|
|
ports.push_back (str.substr (opos, pos - opos));
|
|
opos = pos + 1;
|
|
}
|
|
|
|
if (opos < str.length()) {
|
|
ports.push_back (str.substr(opos));
|
|
}
|
|
|
|
return ports.size();
|
|
}
|
|
|
|
int
|
|
IO::set_name (string name, void* src)
|
|
{
|
|
if (name == _name) {
|
|
return 0;
|
|
}
|
|
|
|
for (vector<Port *>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
string current_name = (*i)->short_name();
|
|
current_name.replace (current_name.find (_name), _name.length(), name);
|
|
(*i)->set_name (current_name);
|
|
}
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
string current_name = (*i)->short_name();
|
|
current_name.replace (current_name.find (_name), _name.length(), name);
|
|
(*i)->set_name (current_name);
|
|
}
|
|
|
|
_name = name;
|
|
name_changed (src); /* EMIT SIGNAL */
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
IO::set_input_minimum (int n)
|
|
{
|
|
_input_minimum = n;
|
|
}
|
|
|
|
void
|
|
IO::set_input_maximum (int n)
|
|
{
|
|
_input_maximum = n;
|
|
}
|
|
|
|
void
|
|
IO::set_output_minimum (int n)
|
|
{
|
|
_output_minimum = n;
|
|
}
|
|
|
|
void
|
|
IO::set_output_maximum (int n)
|
|
{
|
|
_output_maximum = n;
|
|
}
|
|
|
|
void
|
|
IO::set_port_latency (jack_nframes_t nframes)
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
for (vector<Port *>::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
(*i)->set_latency (nframes);
|
|
}
|
|
}
|
|
|
|
jack_nframes_t
|
|
IO::output_latency () const
|
|
{
|
|
jack_nframes_t max_latency;
|
|
jack_nframes_t latency;
|
|
|
|
max_latency = 0;
|
|
|
|
/* io lock not taken - must be protected by other means */
|
|
|
|
for (vector<Port *>::const_iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
if ((latency = _session.engine().get_port_total_latency (*(*i))) > max_latency) {
|
|
max_latency = latency;
|
|
}
|
|
}
|
|
|
|
return max_latency;
|
|
}
|
|
|
|
jack_nframes_t
|
|
IO::input_latency () const
|
|
{
|
|
jack_nframes_t max_latency;
|
|
jack_nframes_t latency;
|
|
|
|
max_latency = 0;
|
|
|
|
/* io lock not taken - must be protected by other means */
|
|
|
|
for (vector<Port *>::const_iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
if ((latency = _session.engine().get_port_total_latency (*(*i))) > max_latency) {
|
|
max_latency = latency;
|
|
}
|
|
}
|
|
|
|
return max_latency;
|
|
}
|
|
|
|
int
|
|
IO::use_input_connection (Connection& c, void* src)
|
|
{
|
|
uint32_t limit;
|
|
|
|
{
|
|
LockMonitor lm (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
LockMonitor lm2 (io_lock, __LINE__, __FILE__);
|
|
|
|
limit = c.nports();
|
|
|
|
drop_input_connection ();
|
|
|
|
if (ensure_inputs (limit, false, false, src)) {
|
|
return -1;
|
|
}
|
|
|
|
/* first pass: check the current state to see what's correctly
|
|
connected, and drop anything that we don't want.
|
|
*/
|
|
|
|
for (uint32_t n = 0; n < limit; ++n) {
|
|
const Connection::PortList& pl = c.port_connections (n);
|
|
|
|
for (Connection::PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) {
|
|
|
|
if (!_inputs[n]->connected_to ((*i))) {
|
|
|
|
/* clear any existing connections */
|
|
|
|
_session.engine().disconnect (_inputs[n]);
|
|
|
|
} else if (_inputs[n]->connected() > 1) {
|
|
|
|
/* OK, it is connected to the port we want,
|
|
but its also connected to other ports.
|
|
Change that situation.
|
|
*/
|
|
|
|
/* XXX could be optimized to not drop
|
|
the one we want.
|
|
*/
|
|
|
|
_session.engine().disconnect (_inputs[n]);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
/* second pass: connect all requested ports where necessary */
|
|
|
|
for (uint32_t n = 0; n < limit; ++n) {
|
|
const Connection::PortList& pl = c.port_connections (n);
|
|
|
|
for (Connection::PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) {
|
|
|
|
if (!_inputs[n]->connected_to ((*i))) {
|
|
|
|
if (_session.engine().connect (*i, _inputs[n]->name())) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
_input_connection = &c;
|
|
|
|
input_connection_configuration_connection = c.ConfigurationChanged.connect
|
|
(mem_fun (*this, &IO::input_connection_configuration_changed));
|
|
input_connection_connection_connection = c.ConnectionsChanged.connect
|
|
(mem_fun (*this, &IO::input_connection_connection_changed));
|
|
}
|
|
|
|
input_changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::use_output_connection (Connection& c, void* src)
|
|
{
|
|
uint32_t limit;
|
|
|
|
{
|
|
LockMonitor lm (_session.engine().process_lock(), __LINE__, __FILE__);
|
|
LockMonitor lm2 (io_lock, __LINE__, __FILE__);
|
|
|
|
limit = c.nports();
|
|
|
|
drop_output_connection ();
|
|
|
|
if (ensure_outputs (limit, false, false, src)) {
|
|
return -1;
|
|
}
|
|
|
|
/* first pass: check the current state to see what's correctly
|
|
connected, and drop anything that we don't want.
|
|
*/
|
|
|
|
for (uint32_t n = 0; n < limit; ++n) {
|
|
|
|
const Connection::PortList& pl = c.port_connections (n);
|
|
|
|
for (Connection::PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) {
|
|
|
|
if (!_outputs[n]->connected_to ((*i))) {
|
|
|
|
/* clear any existing connections */
|
|
|
|
_session.engine().disconnect (_outputs[n]);
|
|
|
|
} else if (_outputs[n]->connected() > 1) {
|
|
|
|
/* OK, it is connected to the port we want,
|
|
but its also connected to other ports.
|
|
Change that situation.
|
|
*/
|
|
|
|
/* XXX could be optimized to not drop
|
|
the one we want.
|
|
*/
|
|
|
|
_session.engine().disconnect (_outputs[n]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* second pass: connect all requested ports where necessary */
|
|
|
|
for (uint32_t n = 0; n < limit; ++n) {
|
|
|
|
const Connection::PortList& pl = c.port_connections (n);
|
|
|
|
for (Connection::PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) {
|
|
|
|
if (!_outputs[n]->connected_to ((*i))) {
|
|
|
|
if (_session.engine().connect (_outputs[n]->name(), *i)) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
_output_connection = &c;
|
|
|
|
output_connection_configuration_connection = c.ConfigurationChanged.connect
|
|
(mem_fun (*this, &IO::output_connection_configuration_changed));
|
|
output_connection_connection_connection = c.ConnectionsChanged.connect
|
|
(mem_fun (*this, &IO::output_connection_connection_changed));
|
|
}
|
|
|
|
output_changed (IOChange (ConnectionsChanged|ConfigurationChanged), src); /* EMIT SIGNAL */
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::disable_connecting ()
|
|
{
|
|
connecting_legal = false;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::enable_connecting ()
|
|
{
|
|
connecting_legal = true;
|
|
return ConnectingLegal ();
|
|
}
|
|
|
|
int
|
|
IO::disable_ports ()
|
|
{
|
|
ports_legal = false;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::enable_ports ()
|
|
{
|
|
ports_legal = true;
|
|
return PortsLegal ();
|
|
}
|
|
|
|
int
|
|
IO::disable_panners (void)
|
|
{
|
|
panners_legal = false;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::reset_panners ()
|
|
{
|
|
panners_legal = true;
|
|
return PannersLegal ();
|
|
}
|
|
|
|
void
|
|
IO::input_connection_connection_changed (int ignored)
|
|
{
|
|
use_input_connection (*_input_connection, this);
|
|
}
|
|
|
|
void
|
|
IO::input_connection_configuration_changed ()
|
|
{
|
|
use_input_connection (*_input_connection, this);
|
|
}
|
|
|
|
void
|
|
IO::output_connection_connection_changed (int ignored)
|
|
{
|
|
use_output_connection (*_output_connection, this);
|
|
}
|
|
|
|
void
|
|
IO::output_connection_configuration_changed ()
|
|
{
|
|
use_output_connection (*_output_connection, this);
|
|
}
|
|
|
|
IO::MIDIGainControl::MIDIGainControl (IO& i, MIDI::Port* port)
|
|
: MIDI::Controllable (port, 0), io (i), setting(false)
|
|
{
|
|
midi_to_gain = 0;
|
|
gain_to_midi = 0;
|
|
setting = false;
|
|
last_written = 0; /* XXX need a good out-of-bound-value */
|
|
}
|
|
|
|
void
|
|
IO::MIDIGainControl::set_value (float val)
|
|
{
|
|
if (midi_to_gain == 0) return;
|
|
|
|
setting = true;
|
|
io.set_gain (midi_to_gain (val), this);
|
|
setting = false;
|
|
}
|
|
|
|
void
|
|
IO::MIDIGainControl::send_feedback (gain_t gain)
|
|
{
|
|
if (!setting && get_midi_feedback() && gain_to_midi) {
|
|
MIDI::byte val = (MIDI::byte) (gain_to_midi (gain) * 127.0);
|
|
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;
|
|
|
|
io._session.send_midi_message (get_port(), ev, ch, data);
|
|
}
|
|
//send_midi_feedback (gain_to_midi (gain));
|
|
}
|
|
}
|
|
|
|
MIDI::byte*
|
|
IO::MIDIGainControl::write_feedback (MIDI::byte* buf, int32_t& bufsize, gain_t val, bool force)
|
|
{
|
|
if (get_midi_feedback() && gain_to_midi && bufsize > 2) {
|
|
MIDI::channel_t ch = 0;
|
|
MIDI::eventType ev = MIDI::none;
|
|
MIDI::byte additional = 0;
|
|
MIDI::byte gm;
|
|
|
|
if (get_control_info (ch, ev, additional)) {
|
|
gm = (MIDI::byte) (gain_to_midi (val) * 127.0);
|
|
|
|
if (gm != last_written) {
|
|
*buf++ = (0xF0 & ev) | (0xF & ch);
|
|
*buf++ = additional; /* controller number */
|
|
*buf++ = gm;
|
|
last_written = gm;
|
|
bufsize -= 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
IO::reset_peak_meters ()
|
|
{
|
|
uint32_t limit = max (_ninputs, _noutputs);
|
|
|
|
for (uint32_t i = 0; i < limit; ++i) {
|
|
_peak_power[i] = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::setup_peak_meters ()
|
|
{
|
|
uint32_t limit = max (_ninputs, _noutputs);
|
|
|
|
while (_peak_power.size() < limit) {
|
|
_peak_power.push_back (0);
|
|
_stored_peak_power.push_back (0);
|
|
}
|
|
}
|
|
|
|
UndoAction
|
|
IO::get_memento() const
|
|
{
|
|
return sigc::bind (mem_fun (*(const_cast<IO *>(this)), &StateManager::use_state), _current_state_id);
|
|
}
|
|
|
|
Change
|
|
IO::restore_state (StateManager::State& state)
|
|
{
|
|
return Change (0);
|
|
}
|
|
|
|
StateManager::State*
|
|
IO::state_factory (std::string why) const
|
|
{
|
|
StateManager::State* state = new StateManager::State (why);
|
|
return state;
|
|
}
|
|
|
|
void
|
|
IO::send_state_changed ()
|
|
{
|
|
return;
|
|
}
|
|
|
|
void
|
|
IO::grab_peak_power ()
|
|
{
|
|
LockMonitor lm (io_lock, __LINE__, __FILE__);
|
|
|
|
uint32_t limit = max (_ninputs, _noutputs);
|
|
|
|
for (uint32_t n = 0; n < limit; ++n) {
|
|
/* XXX should we use atomic exchange here ? */
|
|
_stored_peak_power[n] = _peak_power[n];
|
|
_peak_power[n] = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::reset_midi_control (MIDI::Port* port, bool on)
|
|
{
|
|
MIDI::channel_t chn;
|
|
MIDI::eventType ev;
|
|
MIDI::byte extra;
|
|
|
|
_midi_gain_control.get_control_info (chn, ev, extra);
|
|
if (!on) {
|
|
chn = -1;
|
|
}
|
|
_midi_gain_control.midi_rebind (port, chn);
|
|
|
|
_panner->reset_midi_control (port, on);
|
|
}
|
|
|
|
|
|
int
|
|
IO::save_automation (const string& path)
|
|
{
|
|
string fullpath;
|
|
ofstream out;
|
|
|
|
fullpath = _session.automation_dir();
|
|
fullpath += path;
|
|
|
|
out.open (fullpath.c_str());
|
|
|
|
if (!out) {
|
|
error << string_compose(_("%1: could not open automation event file \"%2\""), _name, fullpath) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
out << X_("version ") << current_automation_version_number << endl;
|
|
|
|
/* XXX use apply_to_points to get thread safety */
|
|
|
|
for (AutomationList::iterator i = _gain_automation_curve.begin(); i != _gain_automation_curve.end(); ++i) {
|
|
out << "g " << (jack_nframes_t) floor ((*i)->when) << ' ' << (*i)->value << endl;
|
|
}
|
|
|
|
_panner->save ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::load_automation (const string& path)
|
|
{
|
|
string fullpath;
|
|
ifstream in;
|
|
char line[128];
|
|
uint32_t linecnt = 0;
|
|
float version;
|
|
LocaleGuard lg (X_("POSIX"));
|
|
|
|
fullpath = _session.automation_dir();
|
|
fullpath += path;
|
|
|
|
in.open (fullpath.c_str());
|
|
|
|
if (!in) {
|
|
fullpath = _session.automation_dir();
|
|
fullpath += _session.snap_name();
|
|
fullpath += '-';
|
|
fullpath += path;
|
|
in.open (fullpath.c_str());
|
|
if (!in) {
|
|
error << string_compose(_("%1: cannot open automation event file \"%2\""), _name, fullpath) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
clear_automation ();
|
|
|
|
while (in.getline (line, sizeof(line), '\n')) {
|
|
char type;
|
|
jack_nframes_t when;
|
|
double value;
|
|
|
|
if (++linecnt == 1) {
|
|
if (memcmp (line, "version", 7) == 0) {
|
|
if (sscanf (line, "version %f", &version) != 1) {
|
|
error << string_compose(_("badly formed version number in automation event file \"%1\""), path) << endmsg;
|
|
return -1;
|
|
}
|
|
} else {
|
|
error << string_compose(_("no version information in automation event file \"%1\""), path) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if (version != current_automation_version_number) {
|
|
error << string_compose(_("mismatched automation event file version (%1)"), version) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
if (sscanf (line, "%c %" PRIu32 " %lf", &type, &when, &value) != 3) {
|
|
warning << string_compose(_("badly formatted automation event record at line %1 of %2 (ignored)"), linecnt, path) << endmsg;
|
|
continue;
|
|
}
|
|
|
|
switch (type) {
|
|
case 'g':
|
|
_gain_automation_curve.add (when, value, true);
|
|
break;
|
|
|
|
case 's':
|
|
break;
|
|
|
|
case 'm':
|
|
break;
|
|
|
|
case 'p':
|
|
/* older (pre-1.0) versions of ardour used this */
|
|
break;
|
|
|
|
default:
|
|
warning << _("dubious automation event found (and ignored)") << endmsg;
|
|
}
|
|
}
|
|
|
|
_gain_automation_curve.save_state (_("loaded from disk"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
IO::clear_automation ()
|
|
{
|
|
LockMonitor lm (automation_lock, __LINE__, __FILE__);
|
|
_gain_automation_curve.clear ();
|
|
_panner->clear_automation ();
|
|
}
|
|
|
|
void
|
|
IO::set_gain_automation_state (AutoState state)
|
|
{
|
|
bool changed = false;
|
|
|
|
{
|
|
LockMonitor lm (automation_lock, __LINE__, __FILE__);
|
|
|
|
if (state != _gain_automation_curve.automation_state()) {
|
|
changed = true;
|
|
last_automation_snapshot = 0;
|
|
_gain_automation_curve.set_automation_state (state);
|
|
|
|
if (state != Off) {
|
|
set_gain (_gain_automation_curve.eval (_session.transport_frame()), this);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (changed) {
|
|
_session.set_dirty ();
|
|
gain_automation_state_changed (); /* EMIT SIGNAL */
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::set_gain_automation_style (AutoStyle style)
|
|
{
|
|
bool changed = false;
|
|
|
|
{
|
|
LockMonitor lm (automation_lock, __LINE__, __FILE__);
|
|
|
|
if (style != _gain_automation_curve.automation_style()) {
|
|
changed = true;
|
|
_gain_automation_curve.set_automation_style (style);
|
|
}
|
|
}
|
|
|
|
if (changed) {
|
|
gain_automation_style_changed (); /* EMIT SIGNAL */
|
|
}
|
|
}
|
|
void
|
|
IO::inc_gain (gain_t factor, void *src)
|
|
{
|
|
if (_desired_gain == 0.0f)
|
|
set_gain (0.000001f + (0.000001f * factor), src);
|
|
else
|
|
set_gain (_desired_gain + (_desired_gain * factor), src);
|
|
}
|
|
|
|
void
|
|
IO::set_gain (gain_t val, void *src)
|
|
{
|
|
// max gain at about +6dB (10.0 ^ ( 6 dB * 0.05))
|
|
if (val>1.99526231f) val=1.99526231f;
|
|
|
|
{
|
|
LockMonitor dm (declick_lock, __LINE__, __FILE__);
|
|
_desired_gain = val;
|
|
}
|
|
|
|
if (_session.transport_stopped()) {
|
|
_effective_gain = val;
|
|
_gain = val;
|
|
}
|
|
|
|
gain_changed (src);
|
|
|
|
if (_session.get_midi_feedback()) {
|
|
_midi_gain_control.send_feedback (_desired_gain);
|
|
}
|
|
|
|
if (_session.transport_stopped() && src != 0 && src != this && gain_automation_recording()) {
|
|
_gain_automation_curve.add (_session.transport_frame(), val);
|
|
|
|
}
|
|
|
|
_session.set_dirty();
|
|
}
|
|
|
|
void
|
|
IO::send_all_midi_feedback ()
|
|
{
|
|
if (_session.get_midi_feedback()) {
|
|
_midi_gain_control.send_feedback (_effective_gain);
|
|
|
|
// panners
|
|
_panner->send_all_midi_feedback();
|
|
}
|
|
}
|
|
|
|
MIDI::byte*
|
|
IO::write_midi_feedback (MIDI::byte* buf, int32_t& bufsize)
|
|
{
|
|
if (_session.get_midi_feedback()) {
|
|
if (gain_automation_playback ()) {
|
|
buf = _midi_gain_control.write_feedback (buf, bufsize, _effective_gain);
|
|
}
|
|
buf = _panner->write_midi_feedback (buf, bufsize);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
IO::start_gain_touch ()
|
|
{
|
|
_gain_automation_curve.start_touch ();
|
|
}
|
|
|
|
void
|
|
IO::end_gain_touch ()
|
|
{
|
|
_gain_automation_curve.stop_touch ();
|
|
}
|
|
|
|
void
|
|
IO::start_pan_touch (uint32_t which)
|
|
{
|
|
if (which < _panner->size()) {
|
|
(*_panner)[which]->automation().start_touch();
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::end_pan_touch (uint32_t which)
|
|
{
|
|
if (which < _panner->size()) {
|
|
(*_panner)[which]->automation().stop_touch();
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
IO::automation_snapshot (jack_nframes_t now)
|
|
{
|
|
if (last_automation_snapshot > now || (now - last_automation_snapshot) > _automation_interval) {
|
|
|
|
if (gain_automation_recording()) {
|
|
_gain_automation_curve.rt_add (now, gain());
|
|
}
|
|
|
|
_panner->snapshot (now);
|
|
|
|
last_automation_snapshot = now;
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::transport_stopped (jack_nframes_t frame)
|
|
{
|
|
_gain_automation_curve.reposition_for_rt_add (frame);
|
|
|
|
if (_gain_automation_curve.automation_state() != Off) {
|
|
|
|
if (gain_automation_recording()) {
|
|
_gain_automation_curve.save_state (_("automation write/touch"));
|
|
}
|
|
|
|
/* the src=0 condition is a special signal to not propagate
|
|
automation gain changes into the mix group when locating.
|
|
*/
|
|
|
|
set_gain (_gain_automation_curve.eval (frame), 0);
|
|
}
|
|
|
|
_panner->transport_stopped (frame);
|
|
}
|
|
|
|
int32_t
|
|
IO::find_input_port_hole ()
|
|
{
|
|
/* CALLER MUST HOLD IO LOCK */
|
|
|
|
uint32_t n;
|
|
|
|
if (_inputs.empty()) {
|
|
return 1;
|
|
}
|
|
|
|
for (n = 1; n < UINT_MAX; ++n) {
|
|
char buf[jack_port_name_size()];
|
|
vector<Port*>::iterator i;
|
|
|
|
snprintf (buf, jack_port_name_size(), _("%s/in %u"), _name.c_str(), n);
|
|
|
|
for (i = _inputs.begin(); i != _inputs.end(); ++i) {
|
|
if ((*i)->short_name() == buf) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == _inputs.end()) {
|
|
break;
|
|
}
|
|
}
|
|
return n;
|
|
}
|
|
|
|
int32_t
|
|
IO::find_output_port_hole ()
|
|
{
|
|
/* CALLER MUST HOLD IO LOCK */
|
|
|
|
uint32_t n;
|
|
|
|
if (_outputs.empty()) {
|
|
return 1;
|
|
}
|
|
|
|
for (n = 1; n < UINT_MAX; ++n) {
|
|
char buf[jack_port_name_size()];
|
|
vector<Port*>::iterator i;
|
|
|
|
snprintf (buf, jack_port_name_size(), _("%s/out %u"), _name.c_str(), n);
|
|
|
|
for (i = _outputs.begin(); i != _outputs.end(); ++i) {
|
|
if ((*i)->short_name() == buf) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == _outputs.end()) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return n;
|
|
}
|