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ardour/libs/ardour/route.cc
David Robillard 7bd41538d9 Merged with trunk R920. 
git-svn-id: svn://localhost/ardour2/branches/midi@921 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-09-19 03:29:16 +00:00

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/*
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.
$Id$
*/
#include <cmath>
#include <fstream>
#include <cassert>
#include <sigc++/bind.h>
#include <pbd/xml++.h>
#include <ardour/timestamps.h>
#include <ardour/audioengine.h>
#include <ardour/route.h>
#include <ardour/buffer.h>
#include <ardour/insert.h>
#include <ardour/send.h>
#include <ardour/session.h>
#include <ardour/utils.h>
#include <ardour/configuration.h>
#include <ardour/cycle_timer.h>
#include <ardour/route_group.h>
#include <ardour/port.h>
#include <ardour/audio_port.h>
#include <ardour/ladspa_plugin.h>
#include <ardour/panner.h>
#include <ardour/dB.h>
#include <ardour/mix.h>
#include <ardour/amp.h>
#include <ardour/meter.h>
#include <ardour/buffer_set.h>
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
uint32_t Route::order_key_cnt = 0;
Route::Route (Session& sess, string name, int input_min, int input_max, int output_min, int output_max, Flag flg, DataType default_type)
: IO (sess, name, input_min, input_max, output_min, output_max, default_type),
_flags (flg),
_solo_control (*this, ToggleControllable::SoloControl),
_mute_control (*this, ToggleControllable::MuteControl)
{
init ();
}
Route::Route (Session& sess, const XMLNode& node)
: IO (sess, "route"),
_solo_control (*this, ToggleControllable::SoloControl),
_mute_control (*this, ToggleControllable::MuteControl)
{
init ();
set_state (node);
}
void
Route::init ()
{
redirect_max_outs.reset();
_muted = false;
_soloed = false;
_solo_safe = false;
_phase_invert = false;
order_keys[N_("signal")] = order_key_cnt++;
_active = true;
_silent = false;
_meter_point = MeterPostFader;
_initial_delay = 0;
_roll_delay = 0;
_own_latency = 0;
_have_internal_generator = false;
_declickable = false;
_pending_declick = true;
_remote_control_id = 0;
_edit_group = 0;
_mix_group = 0;
_mute_affects_pre_fader = Config->get_mute_affects_pre_fader();
_mute_affects_post_fader = Config->get_mute_affects_post_fader();
_mute_affects_control_outs = Config->get_mute_affects_control_outs();
_mute_affects_main_outs = Config->get_mute_affects_main_outs();
solo_gain = 1.0;
desired_solo_gain = 1.0;
mute_gain = 1.0;
desired_mute_gain = 1.0;
_control_outs = 0;
input_changed.connect (mem_fun (this, &Route::input_change_handler));
output_changed.connect (mem_fun (this, &Route::output_change_handler));
}
Route::~Route ()
{
clear_redirects (this);
if (_control_outs) {
delete _control_outs;
}
}
void
Route::set_remote_control_id (uint32_t id)
{
if (id != _remote_control_id) {
_remote_control_id = id;
RemoteControlIDChanged ();
}
}
uint32_t
Route::remote_control_id() const
{
return _remote_control_id;
}
long
Route::order_key (string name) const
{
OrderKeys::const_iterator i;
if ((i = order_keys.find (name)) == order_keys.end()) {
return -1;
}
return (*i).second;
}
void
Route::set_order_key (string name, long n)
{
order_keys[name] = n;
_session.set_dirty ();
}
void
Route::inc_gain (gain_t fraction, void *src)
{
IO::inc_gain (fraction, src);
}
void
Route::set_gain (gain_t val, void *src)
{
if (src != 0 && _mix_group && src != _mix_group && _mix_group->is_active()) {
if (_mix_group->is_relative()) {
gain_t usable_gain = gain();
if (usable_gain < 0.000001f) {
usable_gain=0.000001f;
}
gain_t delta = val;
if (delta < 0.000001f) {
delta=0.000001f;
}
delta -= usable_gain;
if (delta == 0.0f) return;
gain_t factor = delta / usable_gain;
if (factor > 0.0f) {
factor = _mix_group->get_max_factor(factor);
if (factor == 0.0f) {
gain_changed (src);
return;
}
} else {
factor = _mix_group->get_min_factor(factor);
if (factor == 0.0f) {
gain_changed (src);
return;
}
}
_mix_group->apply (&Route::inc_gain, factor, _mix_group);
} else {
_mix_group->apply (&Route::set_gain, val, _mix_group);
}
return;
}
if (val == gain()) {
return;
}
IO::set_gain (val, src);
}
/** Process this route for one (sub) cycle (process thread)
*
* @param bufs Scratch buffers to use for the signal path
* @param start_frame Initial transport frame
* @param end_frame Final transport frame
* @param nframes Number of frames to output (to ports)
* @param offset Output offset (of port buffers, for split cycles)
*
* Note that (end_frame - start_frame) may not be equal to nframes when the
* transport speed isn't 1.0 (eg varispeed).
*/
void
Route::process_output_buffers (BufferSet& bufs,
jack_nframes_t start_frame, jack_nframes_t end_frame,
jack_nframes_t nframes, jack_nframes_t offset, bool with_redirects, int declick,
bool meter)
{
// This is definitely very audio-only for now
assert(_default_type == DataType::AUDIO);
RedirectList::iterator i;
bool post_fader_work = false;
bool mute_declick_applied = false;
gain_t dmg, dsg, dg;
IO *co;
bool mute_audible;
bool solo_audible;
bool no_monitor = (Config->get_use_hardware_monitoring() || !Config->get_use_sw_monitoring ());
gain_t* gab = _session.gain_automation_buffer();
declick = _pending_declick;
{
Glib::Mutex::Lock cm (control_outs_lock, Glib::TRY_LOCK);
if (cm.locked()) {
co = _control_outs;
} else {
co = 0;
}
}
{
Glib::Mutex::Lock dm (declick_lock, Glib::TRY_LOCK);
if (dm.locked()) {
dmg = desired_mute_gain;
dsg = desired_solo_gain;
dg = _desired_gain;
} else {
dmg = mute_gain;
dsg = solo_gain;
dg = _gain;
}
}
/* ----------------------------------------------------------------------------------------------------
GLOBAL DECLICK (for transport changes etc.)
-------------------------------------------------------------------------------------------------- */
if (declick > 0) {
Amp::run (bufs, nframes, 0.0, 1.0, false);
_pending_declick = 0;
} else if (declick < 0) {
Amp::run (bufs, nframes, 1.0, 0.0, false);
_pending_declick = 0;
} else {
/* no global declick */
if (solo_gain != dsg) {
Amp::run (bufs, nframes, solo_gain, dsg, false);
solo_gain = dsg;
}
}
/* ----------------------------------------------------------------------------------------------------
INPUT METERING & MONITORING
-------------------------------------------------------------------------------------------------- */
if (meter && (_meter_point == MeterInput)) {
_meter->run(bufs, nframes);
}
if (!_soloed && _mute_affects_pre_fader && (mute_gain != dmg)) {
Amp::run (bufs, nframes, mute_gain, dmg, false);
mute_gain = dmg;
mute_declick_applied = true;
}
if ((_meter_point == MeterInput) && co) {
solo_audible = dsg > 0;
mute_audible = dmg > 0;// || !_mute_affects_pre_fader;
if ( // muted by solo of another track
!solo_audible ||
// muted by mute of this track
!mute_audible ||
// rec-enabled but not s/w monitoring
// TODO: this is probably wrong
(no_monitor && record_enabled() && (!_session.get_auto_input() || _session.actively_recording()))
) {
co->silence (nframes, offset);
} else {
co->deliver_output (bufs, start_frame, end_frame, nframes, offset);
}
}
/* ---------------------------------------------------------------------------------------------------
PRE-FADER REDIRECTS
-------------------------------------------------------------------------------------------------- */
/* FIXME: Somewhere in these loops is where bufs.count() should go from n_inputs() to redirect_max_outs()
* (if they differ). Something explicit needs to be done here to make sure the list of redirects will
* give us what we need (possibly by inserting transparent 'translators' into the list to make it work) */
if (with_redirects) {
Glib::RWLock::ReaderLock rm (redirect_lock, Glib::TRY_LOCK);
if (rm.locked()) {
if (mute_gain > 0 || !_mute_affects_pre_fader) {
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
switch ((*i)->placement()) {
case PreFader:
(*i)->run (bufs, start_frame, end_frame, nframes, offset);
break;
case PostFader:
post_fader_work = true;
break;
}
}
} else {
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
switch ((*i)->placement()) {
case PreFader:
(*i)->silence (nframes, offset);
break;
case PostFader:
post_fader_work = true;
break;
}
}
}
}
}
// FIXME: for now, just hope the redirects list did what it was supposed to
bufs.set_count(n_process_buffers());
if (!_soloed && (mute_gain != dmg) && !mute_declick_applied && _mute_affects_post_fader) {
Amp::run (bufs, nframes, mute_gain, dmg, false);
mute_gain = dmg;
mute_declick_applied = true;
}
/* ----------------------------------------------------------------------------------------------------
PRE-FADER METERING & MONITORING
-------------------------------------------------------------------------------------------------- */
if (meter && (_meter_point == MeterPreFader)) {
_meter->run(bufs, nframes);
}
if ((_meter_point == MeterPreFader) && co) {
solo_audible = dsg > 0;
mute_audible = dmg > 0 || !_mute_affects_pre_fader;
if ( // muted by solo of another track
!solo_audible ||
// muted by mute of this track
!mute_audible ||
// rec-enabled but not s/w monitoring
(no_monitor && record_enabled() && (!_session.get_auto_input() || _session.actively_recording()))
) {
co->silence (nframes, offset);
} else {
co->deliver_output (bufs, start_frame, end_frame, nframes, offset);
}
}
/* ----------------------------------------------------------------------------------------------------
GAIN STAGE
-------------------------------------------------------------------------------------------------- */
/* if not recording or recording and requiring any monitor signal, then apply gain */
if ( // not recording
!(record_enabled() && _session.actively_recording()) ||
// OR recording
// h/w monitoring not in use
(!Config->get_use_hardware_monitoring() &&
// AND software monitoring required
Config->get_use_sw_monitoring())) {
if (apply_gain_automation) {
if (_phase_invert) {
for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
Sample* const sp = i->data(nframes);
for (jack_nframes_t nx = 0; nx < nframes; ++nx) {
sp[nx] *= -gab[nx];
}
}
} else {
for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
Sample* const sp = i->data(nframes);
for (jack_nframes_t nx = 0; nx < nframes; ++nx) {
sp[nx] *= gab[nx];
}
}
}
if (apply_gain_automation && _session.transport_rolling() && nframes > 0) {
_effective_gain = gab[nframes-1];
}
} else {
/* manual (scalar) gain */
if (_gain != dg) {
Amp::run (bufs, nframes, _gain, dg, _phase_invert);
_gain = dg;
} else if (_gain != 0 && (_phase_invert || _gain != 1.0)) {
/* no need to interpolate current gain value,
but its non-unity, so apply it. if the gain
is zero, do nothing because we'll ship silence
below.
*/
gain_t this_gain;
if (_phase_invert) {
this_gain = -_gain;
} else {
this_gain = _gain;
}
for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
Sample* const sp = i->data(nframes);
apply_gain_to_buffer(sp,nframes,this_gain);
}
} else if (_gain == 0) {
for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
i->clear();
}
}
}
} else {
/* actively recording, no monitoring required; leave buffers as-is to save CPU cycles */
}
/* ----------------------------------------------------------------------------------------------------
POST-FADER REDIRECTS
-------------------------------------------------------------------------------------------------- */
/* note that post_fader_work cannot be true unless with_redirects was also true, so don't test both */
if (post_fader_work) {
Glib::RWLock::ReaderLock rm (redirect_lock, Glib::TRY_LOCK);
if (rm.locked()) {
if (mute_gain > 0 || !_mute_affects_post_fader) {
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
switch ((*i)->placement()) {
case PreFader:
break;
case PostFader:
(*i)->run (bufs, start_frame, end_frame, nframes, offset);
break;
}
}
} else {
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
switch ((*i)->placement()) {
case PreFader:
break;
case PostFader:
(*i)->silence (nframes, offset);
break;
}
}
}
}
}
if (!_soloed && (mute_gain != dmg) && !mute_declick_applied && _mute_affects_control_outs) {
Amp::run (bufs, nframes, mute_gain, dmg, false);
mute_gain = dmg;
mute_declick_applied = true;
}
/* ----------------------------------------------------------------------------------------------------
CONTROL OUTPUT STAGE
-------------------------------------------------------------------------------------------------- */
if ((_meter_point == MeterPostFader) && co) {
solo_audible = solo_gain > 0;
mute_audible = dmg > 0 || !_mute_affects_control_outs;
if ( // silent anyway
(_gain == 0 && !apply_gain_automation) ||
// muted by solo of another track
!solo_audible ||
// muted by mute of this track
!mute_audible ||
// recording but not s/w monitoring
(no_monitor && record_enabled() && (!_session.get_auto_input() || _session.actively_recording()))
) {
co->silence (nframes, offset);
} else {
co->deliver_output (bufs, start_frame, end_frame, nframes, offset);
}
}
/* ----------------------------------------------------------------------
GLOBAL MUTE
----------------------------------------------------------------------*/
if (!_soloed && (mute_gain != dmg) && !mute_declick_applied && _mute_affects_main_outs) {
Amp::run (bufs, nframes, mute_gain, dmg, false);
mute_gain = dmg;
mute_declick_applied = true;
}
/* ----------------------------------------------------------------------------------------------------
MAIN OUTPUT STAGE
-------------------------------------------------------------------------------------------------- */
solo_audible = dsg > 0;
mute_audible = dmg > 0 || !_mute_affects_main_outs;
if (n_outputs().get(_default_type) == 0) {
/* relax */
} else if (no_monitor && record_enabled() && (!_session.get_auto_input() || _session.actively_recording())) {
IO::silence (nframes, offset);
} else {
if ( // silent anyway
(_gain == 0 && !apply_gain_automation) ||
// muted by solo of another track, but not using control outs for solo
(!solo_audible && (_session.solo_model() != Session::SoloBus)) ||
// muted by mute of this track
!mute_audible
) {
/* don't use Route::silence() here, because that causes
all outputs (sends, port inserts, etc. to be silent).
*/
if (_meter_point == MeterPostFader) {
peak_meter().reset();
}
IO::silence (nframes, offset);
} else {
deliver_output(bufs, start_frame, end_frame, nframes, offset);
}
}
/* ----------------------------------------------------------------------------------------------------
POST-FADER METERING
-------------------------------------------------------------------------------------------------- */
if (meter && (_meter_point == MeterPostFader)) {
if ((_gain == 0 && !apply_gain_automation) || dmg == 0) {
_meter->reset();
} else {
_meter->run(output_buffers(), nframes, offset);
}
}
}
ChanCount
Route::n_process_buffers ()
{
return max (n_inputs(), redirect_max_outs);
}
void
Route::passthru (jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t nframes, jack_nframes_t offset, int declick, bool meter_first)
{
BufferSet& bufs = _session.get_scratch_buffers(n_process_buffers());
_silent = false;
collect_input (bufs, nframes, offset);
#define meter_stream meter_first
if (meter_first) {
_meter->run(bufs, nframes);
meter_stream = false;
} else {
meter_stream = true;
}
process_output_buffers (bufs, start_frame, end_frame, nframes, offset, true, declick, meter_stream);
#undef meter_stream
}
void
Route::passthru_silence (jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t nframes, jack_nframes_t offset, int declick, bool meter)
{
process_output_buffers (_session.get_silent_buffers (n_process_buffers()), start_frame, end_frame, nframes, offset, true, declick, meter);
}
void
Route::set_solo (bool yn, void *src)
{
if (_solo_safe) {
return;
}
if (_mix_group && src != _mix_group && _mix_group->is_active()) {
_mix_group->apply (&Route::set_solo, yn, _mix_group);
return;
}
if (_soloed != yn) {
_soloed = yn;
solo_changed (src); /* EMIT SIGNAL */
_solo_control.Changed (); /* EMIT SIGNAL */
}
}
void
Route::set_solo_mute (bool yn)
{
Glib::Mutex::Lock lm (declick_lock);
/* Called by Session in response to another Route being soloed.
*/
desired_solo_gain = (yn?0.0:1.0);
}
void
Route::set_solo_safe (bool yn, void *src)
{
if (_solo_safe != yn) {
_solo_safe = yn;
solo_safe_changed (src); /* EMIT SIGNAL */
}
}
void
Route::set_mute (bool yn, void *src)
{
if (_mix_group && src != _mix_group && _mix_group->is_active()) {
_mix_group->apply (&Route::set_mute, yn, _mix_group);
return;
}
if (_muted != yn) {
_muted = yn;
mute_changed (src); /* EMIT SIGNAL */
_mute_control.Changed (); /* EMIT SIGNAL */
Glib::Mutex::Lock lm (declick_lock);
desired_mute_gain = (yn?0.0f:1.0f);
}
}
int
Route::add_redirect (boost::shared_ptr<Redirect> redirect, void *src, uint32_t* err_streams)
{
ChanCount old_rmo = redirect_max_outs;
if (!_session.engine().connected()) {
return 1;
}
{
Glib::RWLock::WriterLock lm (redirect_lock);
boost::shared_ptr<PluginInsert> pi;
boost::shared_ptr<PortInsert> porti;
redirect->set_default_type(_default_type);
if ((pi = boost::dynamic_pointer_cast<PluginInsert>(redirect)) != 0) {
pi->set_count (1);
if (pi->input_streams() == ChanCount::ZERO) {
/* generator plugin */
_have_internal_generator = true;
}
} else if ((porti = boost::dynamic_pointer_cast<PortInsert>(redirect)) != 0) {
/* force new port inserts to start out with an i/o configuration
that matches this route's i/o configuration.
the "inputs" for the port are supposed to match the output
of this route.
the "outputs" of the route should match the inputs of this
route. XXX shouldn't they match the number of active signal
streams at the point of insertion?
*/
// FIXME: (yes, they should)
porti->ensure_io (n_outputs (), n_inputs(), false, this);
}
// Ensure peak vector sizes before the plugin is activated
ChanCount potential_max_streams = max(redirect->input_streams(), redirect->output_streams());
_meter->setup(potential_max_streams);
_redirects.push_back (redirect);
if (_reset_plugin_counts (err_streams)) {
_redirects.pop_back ();
_reset_plugin_counts (0); // it worked before we tried to add it ...
return -1;
}
redirect->activate ();
redirect->active_changed.connect (mem_fun (*this, &Route::redirect_active_proxy));
}
if (redirect_max_outs != old_rmo || old_rmo == ChanCount::ZERO) {
reset_panner ();
}
redirects_changed (src); /* EMIT SIGNAL */
return 0;
}
int
Route::add_redirects (const RedirectList& others, void *src, uint32_t* err_streams)
{
ChanCount old_rmo = redirect_max_outs;
if (!_session.engine().connected()) {
return 1;
}
{
Glib::RWLock::WriterLock lm (redirect_lock);
RedirectList::iterator existing_end = _redirects.end();
--existing_end;
ChanCount potential_max_streams;
for (RedirectList::const_iterator i = others.begin(); i != others.end(); ++i) {
boost::shared_ptr<PluginInsert> pi;
if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
pi->set_count (1);
ChanCount m = max(pi->input_streams(), pi->output_streams());
if (m > potential_max_streams)
potential_max_streams = m;
}
// Ensure peak vector sizes before the plugin is activated
_meter->setup(potential_max_streams);
_redirects.push_back (*i);
if (_reset_plugin_counts (err_streams)) {
++existing_end;
_redirects.erase (existing_end, _redirects.end());
_reset_plugin_counts (0); // it worked before we tried to add it ...
return -1;
}
(*i)->activate ();
(*i)->active_changed.connect (mem_fun (*this, &Route::redirect_active_proxy));
}
}
if (redirect_max_outs != old_rmo || old_rmo == ChanCount::ZERO) {
reset_panner ();
}
redirects_changed (src); /* EMIT SIGNAL */
return 0;
}
void
Route::clear_redirects (void *src)
{
ChanCount old_rmo = redirect_max_outs;
if (!_session.engine().connected()) {
return;
}
{
Glib::RWLock::WriterLock lm (redirect_lock);
_redirects.clear ();
}
if (redirect_max_outs != old_rmo) {
reset_panner ();
}
redirect_max_outs.reset();
_have_internal_generator = false;
redirects_changed (src); /* EMIT SIGNAL */
}
int
Route::remove_redirect (boost::shared_ptr<Redirect> redirect, void *src, uint32_t* err_streams)
{
ChanCount old_rmo = redirect_max_outs;
if (!_session.engine().connected()) {
return 1;
}
redirect_max_outs.reset();
{
Glib::RWLock::WriterLock lm (redirect_lock);
RedirectList::iterator i;
bool removed = false;
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
if (*i == redirect) {
RedirectList::iterator tmp;
/* move along, see failure case for reset_plugin_counts()
where we may need to reinsert the redirect.
*/
tmp = i;
++tmp;
/* stop redirects that send signals to JACK ports
from causing noise as a result of no longer being
run.
*/
boost::shared_ptr<Send> send;
boost::shared_ptr<PortInsert> port_insert;
if ((send = boost::dynamic_pointer_cast<Send> (*i)) != 0) {
send->disconnect_inputs (this);
send->disconnect_outputs (this);
} else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (*i)) != 0) {
port_insert->disconnect_inputs (this);
port_insert->disconnect_outputs (this);
}
_redirects.erase (i);
i = tmp;
removed = true;
break;
}
}
if (!removed) {
/* what? */
return 1;
}
if (_reset_plugin_counts (err_streams)) {
/* get back to where we where */
_redirects.insert (i, redirect);
/* we know this will work, because it worked before :) */
_reset_plugin_counts (0);
return -1;
}
bool foo = false;
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
boost::shared_ptr<PluginInsert> pi;
if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
if (pi->is_generator()) {
foo = true;
}
}
}
_have_internal_generator = foo;
}
if (old_rmo != redirect_max_outs) {
reset_panner ();
}
redirects_changed (src); /* EMIT SIGNAL */
return 0;
}
int
Route::reset_plugin_counts (uint32_t* lpc)
{
Glib::RWLock::WriterLock lm (redirect_lock);
return _reset_plugin_counts (lpc);
}
int
Route::_reset_plugin_counts (uint32_t* err_streams)
{
RedirectList::iterator r;
uint32_t i_cnt;
uint32_t s_cnt;
map<Placement,list<InsertCount> > insert_map;
jack_nframes_t initial_streams;
redirect_max_outs.reset();
i_cnt = 0;
s_cnt = 0;
/* divide inserts up by placement so we get the signal flow
properly modelled. we need to do this because the _redirects
list is not sorted by placement, and because other reasons may
exist now or in the future for this separate treatment.
*/
for (r = _redirects.begin(); r != _redirects.end(); ++r) {
boost::shared_ptr<Insert> insert;
/* do this here in case we bomb out before we get to the end of
this function.
*/
redirect_max_outs = max ((*r)->output_streams (), redirect_max_outs);
if ((insert = boost::dynamic_pointer_cast<Insert>(*r)) != 0) {
++i_cnt;
insert_map[insert->placement()].push_back (InsertCount (insert));
/* reset plugin counts back to one for now so
that we have a predictable, controlled
state to try to configure.
*/
boost::shared_ptr<PluginInsert> pi;
if ((pi = boost::dynamic_pointer_cast<PluginInsert>(insert)) != 0) {
pi->set_count (1);
}
} else if (boost::dynamic_pointer_cast<Send> (*r) != 0) {
++s_cnt;
}
}
if (i_cnt == 0) {
if (s_cnt) {
goto recompute;
} else {
return 0;
}
}
/* Now process each placement in order, checking to see if we
can really do what has been requested.
*/
/* A: PreFader */
if (check_some_plugin_counts (insert_map[PreFader], n_inputs ().get(_default_type), err_streams)) {
return -1;
}
/* figure out the streams that will feed into PreFader */
if (!insert_map[PreFader].empty()) {
InsertCount& ic (insert_map[PreFader].back());
initial_streams = ic.insert->compute_output_streams (ic.cnt);
} else {
initial_streams = n_inputs ().get(_default_type);
}
/* B: PostFader */
if (check_some_plugin_counts (insert_map[PostFader], initial_streams, err_streams)) {
return -1;
}
/* OK, everything can be set up correctly, so lets do it */
apply_some_plugin_counts (insert_map[PreFader]);
apply_some_plugin_counts (insert_map[PostFader]);
/* recompute max outs of any redirect */
recompute:
redirect_max_outs.reset();
RedirectList::iterator prev = _redirects.end();
for (r = _redirects.begin(); r != _redirects.end(); prev = r, ++r) {
boost::shared_ptr<Send> s;
if ((s = boost::dynamic_pointer_cast<Send> (*r)) != 0) {
if (r == _redirects.begin()) {
s->expect_inputs (n_inputs());
} else {
s->expect_inputs ((*prev)->output_streams());
}
}
redirect_max_outs = max ((*r)->output_streams(), redirect_max_outs);
}
/* we're done */
return 0;
}
int32_t
Route::apply_some_plugin_counts (list<InsertCount>& iclist)
{
list<InsertCount>::iterator i;
for (i = iclist.begin(); i != iclist.end(); ++i) {
if ((*i).insert->configure_io ((*i).cnt, (*i).in, (*i).out)) {
return -1;
}
/* make sure that however many we have, they are all active */
(*i).insert->activate ();
}
return 0;
}
int32_t
Route::check_some_plugin_counts (list<InsertCount>& iclist, int32_t required_inputs, uint32_t* err_streams)
{
list<InsertCount>::iterator i;
for (i = iclist.begin(); i != iclist.end(); ++i) {
if (((*i).cnt = (*i).insert->can_support_input_configuration (required_inputs)) < 0) {
if (err_streams) {
*err_streams = required_inputs;
}
return -1;
}
(*i).in = required_inputs;
(*i).out = (*i).insert->compute_output_streams ((*i).cnt);
required_inputs = (*i).out;
}
return 0;
}
int
Route::copy_redirects (const Route& other, Placement placement, uint32_t* err_streams)
{
ChanCount old_rmo = redirect_max_outs;
if (err_streams) {
*err_streams = 0;
}
RedirectList to_be_deleted;
{
Glib::RWLock::WriterLock lm (redirect_lock);
RedirectList::iterator tmp;
RedirectList the_copy;
the_copy = _redirects;
/* remove all relevant redirects */
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ) {
tmp = i;
++tmp;
if ((*i)->placement() == placement) {
to_be_deleted.push_back (*i);
_redirects.erase (i);
}
i = tmp;
}
/* now copy the relevant ones from "other" */
for (RedirectList::const_iterator i = other._redirects.begin(); i != other._redirects.end(); ++i) {
if ((*i)->placement() == placement) {
_redirects.push_back (Redirect::clone (*i));
}
}
/* reset plugin stream handling */
if (_reset_plugin_counts (err_streams)) {
/* FAILED COPY ATTEMPT: we have to restore order */
/* delete all cloned redirects */
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ) {
tmp = i;
++tmp;
if ((*i)->placement() == placement) {
_redirects.erase (i);
}
i = tmp;
}
/* restore the natural order */
_redirects = the_copy;
redirect_max_outs = old_rmo;
/* we failed, even though things are OK again */
return -1;
} else {
/* SUCCESSFUL COPY ATTEMPT: delete the redirects we removed pre-copy */
to_be_deleted.clear ();
}
}
if (redirect_max_outs != old_rmo || old_rmo == ChanCount::ZERO) {
reset_panner ();
}
redirects_changed (this); /* EMIT SIGNAL */
return 0;
}
void
Route::all_redirects_flip ()
{
Glib::RWLock::ReaderLock lm (redirect_lock);
if (_redirects.empty()) {
return;
}
bool first_is_on = _redirects.front()->active();
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
(*i)->set_active (!first_is_on, this);
}
}
void
Route::all_redirects_active (bool state)
{
Glib::RWLock::ReaderLock lm (redirect_lock);
if (_redirects.empty()) {
return;
}
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
(*i)->set_active (state, this);
}
}
struct RedirectSorter {
bool operator() (boost::shared_ptr<const Redirect> a, boost::shared_ptr<const Redirect> b) {
return a->sort_key() < b->sort_key();
}
};
int
Route::sort_redirects (uint32_t* err_streams)
{
{
RedirectSorter comparator;
Glib::RWLock::WriterLock lm (redirect_lock);
ChanCount old_rmo = redirect_max_outs;
/* the sweet power of C++ ... */
RedirectList as_it_was_before = _redirects;
_redirects.sort (comparator);
if (_reset_plugin_counts (err_streams)) {
_redirects = as_it_was_before;
redirect_max_outs = old_rmo;
return -1;
}
}
reset_panner ();
redirects_changed (this); /* EMIT SIGNAL */
return 0;
}
XMLNode&
Route::get_state()
{
return state(true);
}
XMLNode&
Route::get_template()
{
return state(false);
}
XMLNode&
Route::state(bool full_state)
{
XMLNode *node = new XMLNode("Route");
XMLNode *aevents;
RedirectList:: iterator i;
char buf[32];
if (_flags) {
snprintf (buf, sizeof (buf), "0x%x", _flags);
node->add_property("flags", buf);
}
node->add_property("default-type", _default_type.to_string());
node->add_property("active", _active?"yes":"no");
node->add_property("muted", _muted?"yes":"no");
node->add_property("soloed", _soloed?"yes":"no");
node->add_property("phase-invert", _phase_invert?"yes":"no");
node->add_property("mute-affects-pre-fader", _mute_affects_pre_fader?"yes":"no");
node->add_property("mute-affects-post-fader", _mute_affects_post_fader?"yes":"no");
node->add_property("mute-affects-control-outs", _mute_affects_control_outs?"yes":"no");
node->add_property("mute-affects-main-outs", _mute_affects_main_outs?"yes":"no");
if (_edit_group) {
node->add_property("edit-group", _edit_group->name());
}
if (_mix_group) {
node->add_property("mix-group", _mix_group->name());
}
string order_string;
OrderKeys::iterator x = order_keys.begin();
while (x != order_keys.end()) {
order_string += (*x).first;
order_string += '=';
snprintf (buf, sizeof(buf), "%ld", (*x).second);
order_string += buf;
++x;
if (x == order_keys.end()) {
break;
}
order_string += ':';
}
node->add_property ("order-keys", order_string);
node->add_child_nocopy (IO::state (full_state));
if (_control_outs) {
XMLNode* cnode = new XMLNode (X_("ControlOuts"));
cnode->add_child_nocopy (_control_outs->state (full_state));
node->add_child_nocopy (*cnode);
}
if (_comment.length()) {
XMLNode *cmt = node->add_child ("Comment");
cmt->add_content (_comment);
}
if (full_state) {
string path;
path = _session.snap_name();
path += "-gain-";
path += legalize_for_path (_name);
path += ".automation";
/* XXX we didn't ask for a state save, we asked for the current state.
FIX ME!
*/
if (save_automation (path)) {
error << _("Could not get state of route. Problem with save_automation") << endmsg;
}
aevents = node->add_child ("Automation");
aevents->add_property ("path", path);
}
for (i = _redirects.begin(); i != _redirects.end(); ++i) {
node->add_child_nocopy((*i)->state (full_state));
}
if (_extra_xml){
node->add_child_copy (*_extra_xml);
}
return *node;
}
void
Route::set_deferred_state ()
{
XMLNodeList nlist;
XMLNodeConstIterator niter;
if (!deferred_state) {
return;
}
nlist = deferred_state->children();
for (niter = nlist.begin(); niter != nlist.end(); ++niter){
add_redirect_from_xml (**niter);
}
delete deferred_state;
deferred_state = 0;
}
void
Route::add_redirect_from_xml (const XMLNode& node)
{
const XMLProperty *prop;
if (node.name() == "Send") {
try {
boost::shared_ptr<Send> send (new Send (_session, node));
add_redirect (send, this);
}
catch (failed_constructor &err) {
error << _("Send construction failed") << endmsg;
return;
}
} else if (node.name() == "Insert") {
try {
if ((prop = node.property ("type")) != 0) {
boost::shared_ptr<Insert> insert;
if (prop->value() == "ladspa" || prop->value() == "Ladspa" || prop->value() == "vst") {
insert.reset (new PluginInsert(_session, node));
} else if (prop->value() == "port") {
insert.reset (new PortInsert (_session, node));
} else {
error << string_compose(_("unknown Insert type \"%1\"; ignored"), prop->value()) << endmsg;
}
add_redirect (insert, this);
} else {
error << _("Insert XML node has no type property") << endmsg;
}
}
catch (failed_constructor &err) {
warning << _("insert could not be created. Ignored.") << endmsg;
return;
}
}
}
int
Route::set_state (const XMLNode& node)
{
XMLNodeList nlist;
XMLNodeConstIterator niter;
XMLNode *child;
XMLPropertyList plist;
const XMLProperty *prop;
if (node.name() != "Route"){
error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
return -1;
}
if ((prop = node.property ("flags")) != 0) {
int x;
sscanf (prop->value().c_str(), "0x%x", &x);
_flags = Flag (x);
} else {
_flags = Flag (0);
}
if ((prop = node.property ("default-type")) != 0) {
_default_type = DataType(prop->value());
assert(_default_type != DataType::NIL);
}
if ((prop = node.property ("phase-invert")) != 0) {
set_phase_invert(prop->value()=="yes"?true:false, this);
}
if ((prop = node.property ("active")) != 0) {
set_active (prop->value() == "yes");
}
if ((prop = node.property ("muted")) != 0) {
bool yn = prop->value()=="yes"?true:false;
/* force reset of mute status */
_muted = !yn;
set_mute(yn, this);
mute_gain = desired_mute_gain;
}
if ((prop = node.property ("soloed")) != 0) {
bool yn = prop->value()=="yes"?true:false;
/* force reset of solo status */
_soloed = !yn;
set_solo (yn, this);
solo_gain = desired_solo_gain;
}
if ((prop = node.property ("mute-affects-pre-fader")) != 0) {
_mute_affects_pre_fader = (prop->value()=="yes")?true:false;
}
if ((prop = node.property ("mute-affects-post-fader")) != 0) {
_mute_affects_post_fader = (prop->value()=="yes")?true:false;
}
if ((prop = node.property ("mute-affects-control-outs")) != 0) {
_mute_affects_control_outs = (prop->value()=="yes")?true:false;
}
if ((prop = node.property ("mute-affects-main-outs")) != 0) {
_mute_affects_main_outs = (prop->value()=="yes")?true:false;
}
if ((prop = node.property ("edit-group")) != 0) {
RouteGroup* edit_group = _session.edit_group_by_name(prop->value());
if(edit_group == 0) {
error << string_compose(_("Route %1: unknown edit group \"%2 in saved state (ignored)"), _name, prop->value()) << endmsg;
} else {
set_edit_group(edit_group, this);
}
}
if ((prop = node.property ("order-keys")) != 0) {
long n;
string::size_type colon, equal;
string remaining = prop->value();
while (remaining.length()) {
if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
<< endmsg;
} else {
if (sscanf (remaining.substr (equal+1).c_str(), "%ld", &n) != 1) {
error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
<< endmsg;
} else {
set_order_key (remaining.substr (0, equal), n);
}
}
colon = remaining.find_first_of (':');
if (colon != string::npos) {
remaining = remaining.substr (colon+1);
} else {
break;
}
}
}
nlist = node.children();
if (deferred_state) {
delete deferred_state;
}
deferred_state = new XMLNode("deferred state");
/* set parent class properties before anything else */
for (niter = nlist.begin(); niter != nlist.end(); ++niter){
child = *niter;
if (child->name() == IO::state_node_name) {
IO::set_state (*child);
break;
}
}
for (niter = nlist.begin(); niter != nlist.end(); ++niter){
child = *niter;
if (child->name() == "Send") {
if (!IO::ports_legal) {
deferred_state->add_child_copy (*child);
} else {
add_redirect_from_xml (*child);
}
} else if (child->name() == "Insert") {
if (!IO::ports_legal) {
deferred_state->add_child_copy (*child);
} else {
add_redirect_from_xml (*child);
}
} else if (child->name() == "Automation") {
XMLPropertyList plist;
XMLPropertyConstIterator piter;
XMLProperty *prop;
plist = child->properties();
for (piter = plist.begin(); piter != plist.end(); ++piter) {
prop = *piter;
if (prop->name() == "path") {
load_automation (prop->value());
}
}
} else if (child->name() == "ControlOuts") {
string coutname = _name;
coutname += _("[control]");
_control_outs = new IO (_session, coutname);
_control_outs->set_state (**(child->children().begin()));
} else if (child->name() == "Comment") {
/* XXX this is a terrible API design in libxml++ */
XMLNode *cmt = *(child->children().begin());
_comment = cmt->content();
} else if (child->name() == "extra") {
_extra_xml = new XMLNode (*child);
}
}
if ((prop = node.property ("mix-group")) != 0) {
RouteGroup* mix_group = _session.mix_group_by_name(prop->value());
if (mix_group == 0) {
error << string_compose(_("Route %1: unknown mix group \"%2 in saved state (ignored)"), _name, prop->value()) << endmsg;
} else {
set_mix_group(mix_group, this);
}
}
return 0;
}
void
Route::curve_reallocate ()
{
// _gain_automation_curve.finish_resize ();
// _pan_automation_curve.finish_resize ();
}
void
Route::silence (jack_nframes_t nframes, jack_nframes_t offset)
{
if (!_silent) {
IO::silence (nframes, offset);
if (_control_outs) {
_control_outs->silence (nframes, offset);
}
{
Glib::RWLock::ReaderLock lm (redirect_lock, Glib::TRY_LOCK);
if (lm.locked()) {
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
boost::shared_ptr<PluginInsert> pi;
if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
// skip plugins, they don't need anything when we're not active
continue;
}
(*i)->silence (nframes, offset);
}
if (nframes == _session.get_block_size() && offset == 0) {
// _silent = true;
}
}
}
}
}
int
Route::set_control_outs (const vector<string>& ports)
{
Glib::Mutex::Lock lm (control_outs_lock);
vector<string>::const_iterator i;
if (_control_outs) {
delete _control_outs;
_control_outs = 0;
}
if (ports.empty()) {
return 0;
}
string coutname = _name;
coutname += _("[control]");
_control_outs = new IO (_session, coutname);
/* our control outs need as many outputs as we
have audio outputs. we track the changes in ::output_change_handler().
*/
_control_outs->ensure_io (ChanCount::ZERO, ChanCount(DataType::AUDIO, n_outputs().get(DataType::AUDIO)), true, this);
return 0;
}
void
Route::set_edit_group (RouteGroup *eg, void *src)
{
if (eg == _edit_group) {
return;
}
if (_edit_group) {
_edit_group->remove (this);
}
if ((_edit_group = eg) != 0) {
_edit_group->add (this);
}
_session.set_dirty ();
edit_group_changed (src); /* EMIT SIGNAL */
}
void
Route::drop_edit_group (void *src)
{
_edit_group = 0;
_session.set_dirty ();
edit_group_changed (src); /* EMIT SIGNAL */
}
void
Route::set_mix_group (RouteGroup *mg, void *src)
{
if (mg == _mix_group) {
return;
}
if (_mix_group) {
_mix_group->remove (this);
}
if ((_mix_group = mg) != 0) {
_mix_group->add (this);
}
_session.set_dirty ();
mix_group_changed (src); /* EMIT SIGNAL */
}
void
Route::drop_mix_group (void *src)
{
_mix_group = 0;
_session.set_dirty ();
mix_group_changed (src); /* EMIT SIGNAL */
}
void
Route::set_comment (string cmt, void *src)
{
_comment = cmt;
comment_changed (src);
_session.set_dirty ();
}
bool
Route::feeds (boost::shared_ptr<Route> other)
{
uint32_t i, j;
IO& self = *this;
uint32_t no = self.n_outputs().get_total();
uint32_t ni = other->n_inputs ().get_total();
for (i = 0; i < no; ++i) {
for (j = 0; j < ni; ++j) {
if (self.output(i)->connected_to (other->input(j)->name())) {
return true;
}
}
}
/* check Redirects which may also interconnect Routes */
for (RedirectList::iterator r = _redirects.begin(); r != _redirects.end(); r++) {
no = (*r)->n_outputs().get_total();
for (i = 0; i < no; ++i) {
for (j = 0; j < ni; ++j) {
if ((*r)->output(i)->connected_to (other->input (j)->name())) {
return true;
}
}
}
}
/* check for control room outputs which may also interconnect Routes */
if (_control_outs) {
no = _control_outs->n_outputs().get_total();
for (i = 0; i < no; ++i) {
for (j = 0; j < ni; ++j) {
if (_control_outs->output(i)->connected_to (other->input (j)->name())) {
return true;
}
}
}
}
return false;
}
void
Route::set_mute_config (mute_type t, bool onoff, void *src)
{
switch (t) {
case PRE_FADER:
_mute_affects_pre_fader = onoff;
pre_fader_changed(src); /* EMIT SIGNAL */
break;
case POST_FADER:
_mute_affects_post_fader = onoff;
post_fader_changed(src); /* EMIT SIGNAL */
break;
case CONTROL_OUTS:
_mute_affects_control_outs = onoff;
control_outs_changed(src); /* EMIT SIGNAL */
break;
case MAIN_OUTS:
_mute_affects_main_outs = onoff;
main_outs_changed(src); /* EMIT SIGNAL */
break;
}
}
bool
Route::get_mute_config (mute_type t)
{
bool onoff = false;
switch (t){
case PRE_FADER:
onoff = _mute_affects_pre_fader;
break;
case POST_FADER:
onoff = _mute_affects_post_fader;
break;
case CONTROL_OUTS:
onoff = _mute_affects_control_outs;
break;
case MAIN_OUTS:
onoff = _mute_affects_main_outs;
break;
}
return onoff;
}
void
Route::set_active (bool yn)
{
_active = yn;
active_changed(); /* EMIT SIGNAL */
}
void
Route::handle_transport_stopped (bool abort_ignored, bool did_locate, bool can_flush_redirects)
{
jack_nframes_t now = _session.transport_frame();
{
Glib::RWLock::ReaderLock lm (redirect_lock);
if (!did_locate) {
automation_snapshot (now);
}
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
if (Config->get_plugins_stop_with_transport() && can_flush_redirects) {
(*i)->deactivate ();
(*i)->activate ();
}
(*i)->transport_stopped (now);
}
}
IO::transport_stopped (now);
_roll_delay = _initial_delay;
}
UndoAction
Route::get_memento() const
{
void (Route::*pmf)(state_id_t) = &Route::set_state;
return sigc::bind (mem_fun (*(const_cast<Route *>(this)), pmf), _current_state_id);
}
void
Route::set_state (state_id_t id)
{
return;
}
void
Route::input_change_handler (IOChange change, void *ignored)
{
if (change & ConfigurationChanged) {
reset_plugin_counts (0);
}
}
void
Route::output_change_handler (IOChange change, void *ignored)
{
if (change & ConfigurationChanged) {
if (_control_outs) {
_control_outs->ensure_io (ChanCount::ZERO, ChanCount(DataType::AUDIO, n_outputs().get(DataType::AUDIO)), true, this);
}
reset_plugin_counts (0);
}
}
uint32_t
Route::pans_required () const
{
if (n_outputs().get(DataType::AUDIO) < 2) {
return 0;
}
return max (n_inputs ().get(DataType::AUDIO), static_cast<size_t>(redirect_max_outs.get(DataType::AUDIO)));
}
int
Route::no_roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t offset,
bool session_state_changing, bool can_record, bool rec_monitors_input)
{
if (n_outputs().get_total() == 0) {
return 0;
}
if (session_state_changing || !_active) {
silence (nframes, offset);
return 0;
}
apply_gain_automation = false;
if (n_inputs().get_total()) {
passthru (start_frame, end_frame, nframes, offset, 0, false);
} else {
silence (nframes, offset);
}
return 0;
}
jack_nframes_t
Route::check_initial_delay (jack_nframes_t nframes, jack_nframes_t& offset, jack_nframes_t& transport_frame)
{
if (_roll_delay > nframes) {
_roll_delay -= nframes;
silence (nframes, offset);
/* transport frame is not legal for caller to use */
return 0;
} else if (_roll_delay > 0) {
nframes -= _roll_delay;
silence (_roll_delay, offset);
offset += _roll_delay;
transport_frame += _roll_delay;
_roll_delay = 0;
}
return nframes;
}
int
Route::roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t offset, int declick,
bool can_record, bool rec_monitors_input)
{
{
Glib::RWLock::ReaderLock lm (redirect_lock, Glib::TRY_LOCK);
if (lm.locked()) {
// automation snapshot can also be called from the non-rt context
// and it uses the redirect list, so we take the lock out here
automation_snapshot (_session.transport_frame());
}
}
if ((n_outputs().get_total() == 0 && _redirects.empty()) || n_inputs().get_total() == 0 || !_active) {
silence (nframes, offset);
return 0;
}
jack_nframes_t unused = 0;
if ((nframes = check_initial_delay (nframes, offset, unused)) == 0) {
return 0;
}
_silent = false;
apply_gain_automation = false;
{
Glib::Mutex::Lock am (automation_lock, Glib::TRY_LOCK);
if (am.locked() && _session.transport_rolling()) {
if (gain_automation_playback()) {
apply_gain_automation = _gain_automation_curve.rt_safe_get_vector (start_frame, end_frame, _session.gain_automation_buffer(), nframes);
}
}
}
passthru (start_frame, end_frame, nframes, offset, declick, false);
return 0;
}
int
Route::silent_roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t offset,
bool can_record, bool rec_monitors_input)
{
silence (nframes, offset);
return 0;
}
void
Route::toggle_monitor_input ()
{
for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
i->ensure_monitor_input( ! i->monitoring_input());
}
}
bool
Route::has_external_redirects () const
{
boost::shared_ptr<const PortInsert> pi;
for (RedirectList::const_iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
if ((pi = boost::dynamic_pointer_cast<const PortInsert>(*i)) != 0) {
for (PortSet::const_iterator port = pi->outputs().begin();
port != pi->outputs().end(); ++port) {
string port_name = port->name();
string client_name = port_name.substr (0, port_name.find(':'));
/* only say "yes" if the redirect is actually in use */
if (client_name != "ardour" && pi->active()) {
return true;
}
}
}
}
return false;
}
void
Route::flush_redirects ()
{
/* XXX shouldn't really try to take this lock, since
this is called from the RT audio thread.
*/
Glib::RWLock::ReaderLock lm (redirect_lock);
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
(*i)->deactivate ();
(*i)->activate ();
}
}
void
Route::set_meter_point (MeterPoint p, void *src)
{
if (_meter_point != p) {
_meter_point = p;
meter_change (src); /* EMIT SIGNAL */
_session.set_dirty ();
}
}
jack_nframes_t
Route::update_total_latency ()
{
_own_latency = 0;
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
if ((*i)->active ()) {
_own_latency += (*i)->latency ();
}
}
set_port_latency (_own_latency);
/* this (virtual) function is used for pure Routes,
not derived classes like AudioTrack. this means
that the data processed here comes from an input
port, not prerecorded material, and therefore we
have to take into account any input latency.
*/
_own_latency += input_latency ();
return _own_latency;
}
void
Route::set_latency_delay (jack_nframes_t longest_session_latency)
{
_initial_delay = longest_session_latency - _own_latency;
if (_session.transport_stopped()) {
_roll_delay = _initial_delay;
}
}
void
Route::automation_snapshot (jack_nframes_t now)
{
IO::automation_snapshot (now);
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
(*i)->automation_snapshot (now);
}
}
Route::ToggleControllable::ToggleControllable (Route& s, ToggleType tp)
: route (s), type(tp)
{
}
void
Route::ToggleControllable::set_value (float val)
{
bool bval = ((val >= 0.5f) ? true: false);
switch (type) {
case MuteControl:
route.set_mute (bval, this);
break;
case SoloControl:
route.set_solo (bval, this);
break;
default:
break;
}
}
float
Route::ToggleControllable::get_value (void) const
{
float val = 0.0f;
switch (type) {
case MuteControl:
val = route.muted() ? 1.0f : 0.0f;
break;
case SoloControl:
val = route.soloed() ? 1.0f : 0.0f;
break;
default:
break;
}
return val;
}
void
Route::set_block_size (jack_nframes_t nframes)
{
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
(*i)->set_block_size (nframes);
}
}
void
Route::redirect_active_proxy (Redirect* ignored, void* ignored_src)
{
_session.update_latency_compensation (false, false);
}
void
Route::protect_automation ()
{
switch (gain_automation_state()) {
case Write:
case Touch:
set_gain_automation_state (Off);
break;
default:
break;
}
switch (panner().automation_state ()) {
case Write:
case Touch:
panner().set_automation_state (Off);
break;
default:
break;
}
for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
boost::shared_ptr<PluginInsert> pi;
if ((pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
pi->protect_automation ();
}
}
}
void
Route::set_pending_declick (int declick)
{
if (_declickable) {
/* this call is not allowed to turn off a pending declick unless "force" is true */
if (declick) {
_pending_declick = declick;
}
// cerr << _name << ": after setting to " << declick << " pending declick = " << _pending_declick << endl;
} else {
_pending_declick = 0;
}
}
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