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livetrax/libs/surfaces/control_protocol/control_protocol.cc

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/*
Copyright (C) 2006 Paul Davis
This program is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser
General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/error.h"
#include "ardour/session.h"
#include "ardour/route.h"
#include "ardour/audio_track.h"
#include "ardour/meter.h"
#include "ardour/amp.h"
#include "control_protocol/control_protocol.h"
using namespace ARDOUR;
using namespace std;
using namespace PBD;
Signal0<void> ControlProtocol::ZoomToSession;
Signal0<void> ControlProtocol::ZoomOut;
Signal0<void> ControlProtocol::ZoomIn;
Signal0<void> ControlProtocol::Enter;
Signal1<void,float> ControlProtocol::ScrollTimeline;
ControlProtocol::ControlProtocol (Session& s, string str, EventLoop* evloop)
: BasicUI (s),
_name (str)
{
if (evloop) {
_own_event_loop = false;
_event_loop = evloop;
} else {
_own_event_loop = true;
fatal << "programming error: cannot create control protocols without an existing event loop (yet)" << endmsg;
/*NOTREACHED*/
}
_active = false;
session->RouteAdded.connect (*this, boost::protect (boost::bind (&ControlProtocol::add_strip, this, _1)), _event_loop);
}
ControlProtocol::~ControlProtocol ()
{
}
void
ControlProtocol::add_strip (ARDOUR::RouteList&)
{
route_list_changed();
}
void
ControlProtocol::next_track (uint32_t initial_id)
{
uint32_t limit = session->nroutes();
boost::shared_ptr<Route> cr = route_table[0];
uint32_t id;
if (cr) {
id = cr->remote_control_id ();
} else {
id = 0;
}
if (id == limit) {
id = 0;
} else {
id++;
}
while (id <= limit) {
if ((cr = session->route_by_remote_id (id)) != 0) {
break;
}
id++;
}
if (id >= limit) {
id = 0;
while (id != initial_id) {
if ((cr = session->route_by_remote_id (id)) != 0) {
break;
}
id++;
}
}
route_table[0] = cr;
}
void
ControlProtocol::prev_track (uint32_t initial_id)
{
uint32_t limit = session->nroutes();
boost::shared_ptr<Route> cr = route_table[0];
int32_t id;
if (cr) {
id = cr->remote_control_id ();
} else {
id = 0;
}
if (id == 0) {
id = limit;
} else {
id--;
}
while (id >= 0) {
if ((cr = session->route_by_remote_id (id)) != 0) {
break;
}
id--;
}
if (id < 0) {
uint32_t i = limit;
while (i > initial_id) {
if ((cr = session->route_by_remote_id (i)) != 0) {
break;
}
i--;
}
}
route_table[0] = cr;
}
void
ControlProtocol::set_route_table_size (uint32_t size)
{
while (route_table.size() < size) {
route_table.push_back (boost::shared_ptr<Route> ((Route*) 0));
}
}
void
ControlProtocol::set_route_table (uint32_t table_index, boost::shared_ptr<ARDOUR::Route> r)
{
if (table_index >= route_table.size()) {
return;
}
route_table[table_index] = r;
// XXX SHAREDPTR need to handle r->GoingAway
}
bool
ControlProtocol::set_route_table (uint32_t table_index, uint32_t remote_control_id)
{
boost::shared_ptr<Route> r = session->route_by_remote_id (remote_control_id);
if (!r) {
return false;
}
set_route_table (table_index, r);
return true;
}
void
ControlProtocol::route_set_rec_enable (uint32_t table_index, bool yn)
{
if (table_index > route_table.size()) {
return;
}
boost::shared_ptr<Route> r = route_table[table_index];
boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack>(r);
if (at) {
at->set_record_enable (yn, this);
}
}
bool
ControlProtocol::route_get_rec_enable (uint32_t table_index)
{
if (table_index > route_table.size()) {
return false;
}
boost::shared_ptr<Route> r = route_table[table_index];
boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack>(r);
if (at) {
return at->record_enabled ();
}
return false;
}
float
ControlProtocol::route_get_gain (uint32_t table_index)
{
if (table_index > route_table.size()) {
return 0.0f;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r == 0) {
return 0.0f;
}
return r->amp()->gain ();
}
void
ControlProtocol::route_set_gain (uint32_t table_index, float gain)
{
if (table_index > route_table.size()) {
return;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r != 0) {
r->set_gain (gain, this);
}
}
float
ControlProtocol::route_get_effective_gain (uint32_t table_index)
{
if (table_index > route_table.size()) {
return 0.0f;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r == 0) {
return 0.0f;
}
return r->amp()->gain_control()->get_value();
}
float
ControlProtocol::route_get_peak_input_power (uint32_t table_index, uint32_t which_input)
{
if (table_index > route_table.size()) {
return 0.0f;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r == 0) {
return 0.0f;
}
return r->peak_meter().peak_power (which_input);
}
bool
ControlProtocol::route_get_muted (uint32_t table_index)
{
if (table_index > route_table.size()) {
return false;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r == 0) {
return false;
}
return r->muted ();
}
void
ControlProtocol::route_set_muted (uint32_t table_index, bool yn)
{
if (table_index > route_table.size()) {
return;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r != 0) {
r->set_mute (yn, this);
}
}
bool
ControlProtocol::route_get_soloed (uint32_t table_index)
{
if (table_index > route_table.size()) {
return false;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r == 0) {
return false;
}
return r->soloed ();
}
void
ControlProtocol::route_set_soloed (uint32_t table_index, bool yn)
{
if (table_index > route_table.size()) {
return;
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r != 0) {
r->set_solo (yn, this);
}
}
string
ControlProtocol:: route_get_name (uint32_t table_index)
{
if (table_index > route_table.size()) {
return "";
}
boost::shared_ptr<Route> r = route_table[table_index];
if (r == 0) {
return "";
}
return r->name();
}