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Rivendellaudio/lib/rdcueedit.cpp
Fred Gleason 6cd1b3bb19 2020-05-29 Fred Gleason <fredg@paravelsystems.com> 
* Fixed a bug in rdairplay(1) where attempting to audition an
	audio cart with a disabled cue output would crash the application.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
2020-05-29 10:24:24 -04:00

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// rdcueedit.cpp
//
// Cueing Editor for RDLogLine-based Events
//
// (C) Copyright 2013-2020 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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 <qpainter.h>
#include <qmessagebox.h>
#include <q3frame.h>
#include "rdconf.h"
#include "rdcueedit.h"
RDCueEdit::RDCueEdit(QWidget *parent)
: RDWidget(parent)
{
edit_height=325;
edit_slider_pressed=false;
edit_shift_pressed=false;
edit_right_click_stop=false;
edit_event_player=NULL;
edit_start_rml="";
edit_stop_rml="";
//
// Create Palettes
//
edit_play_color=
QPalette(QColor(BUTTON_PLAY_BACKGROUND_COLOR),backgroundColor());
edit_start_color=palette();
edit_start_color.setColor(QColorGroup::Foreground,RD_CUEEDITOR_START_MARKER);
edit_position_label=new QLabel(this);
edit_position_label->setGeometry(0,0,sizeHint().width()-30,30);
edit_position_label->setBackgroundColor(QColor(Qt::white));
edit_position_label->setLineWidth(1);
edit_position_label->setMidLineWidth(0);
edit_position_label->setFrameStyle(Q3Frame::Box|Q3Frame::Plain);
edit_position_bar=new RDMarkerBar(this);
edit_position_bar->setGeometry(85,8,sizeHint().width()-200,14);
edit_up_label=new QLabel("00:00:00",this);
edit_up_label->setGeometry(5,8,70,14);
edit_up_label->setBackgroundColor(Qt::white);
edit_up_label->setFont(labelFont());
edit_up_label->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
edit_down_label=new QLabel("00:00:00",this);
edit_down_label->setGeometry(sizeHint().width()-110,8,70,14);
edit_down_label->setBackgroundColor(Qt::white);
edit_down_label->setFont(labelFont());
edit_down_label->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
//
// Position Slider
//
edit_slider=new RDSlider(RDSlider::Right,this);
edit_slider->setGeometry(60,30,sizeHint().width()-150,50);
edit_slider->setKnobSize(50,50);
edit_slider->setKnobColor(QColor(RD_CUEEDITOR_KNOB_COLOR));
connect(edit_slider,SIGNAL(sliderMoved(int)),
this,SLOT(sliderChangedData(int)));
connect(edit_slider,SIGNAL(sliderPressed()),this,SLOT(sliderPressedData()));
connect(edit_slider,SIGNAL(sliderReleased()),
this,SLOT(sliderReleasedData()));
//
// Button Area
//
QLabel *label=new QLabel(this);
label->setGeometry(0,85,sizeHint().width()-30,60);
label->setBackgroundColor(QColor(Qt::gray));
label->setLineWidth(1);
label->setMidLineWidth(0);
label->setFrameStyle(Q3Frame::Box|Q3Frame::Plain);
//
// Audition Button
//
edit_audition_button=
new RDTransportButton(RDTransportButton::PlayBetween,this);
edit_audition_button->setGeometry(sizeHint().width()/2-130,90,80,50);
edit_audition_button->
setPalette(QPalette(backgroundColor(),QColor(Qt::gray)));
edit_audition_button->setFont(buttonFont());
edit_audition_button->
setDisabled((rda->station()->cueCard()<0)||(rda->station()->cuePort()<0));
connect(edit_audition_button,SIGNAL(clicked()),
this,SLOT(auditionButtonData()));
//
// Pause Button
//
edit_pause_button=new RDTransportButton(RDTransportButton::Pause,this);
edit_pause_button->setGeometry(sizeHint().width()/2-40,90,80,50);
edit_pause_button->
setPalette(QPalette(backgroundColor(),QColor(Qt::gray)));
edit_pause_button->setFont(buttonFont());
edit_pause_button->
setDisabled((rda->station()->cueCard()<0)||(rda->station()->cuePort()<0));
connect(edit_pause_button,SIGNAL(clicked()),this,SLOT(pauseButtonData()));
//
// Stop Button
//
edit_stop_button=new RDTransportButton(RDTransportButton::Stop,this);
edit_stop_button->setGeometry(sizeHint().width()/2+50,90,80,50);
edit_stop_button->setOnColor(QColor(Qt::red));
edit_stop_button->
setPalette(QPalette(backgroundColor(),QColor(Qt::gray)));
edit_stop_button->setFont(buttonFont());
edit_stop_button->
setDisabled((rda->station()->cueCard()<0)||(rda->station()->cuePort()<0));
connect(edit_stop_button,SIGNAL(clicked()),this,SLOT(stopButtonData()));
//
// Start Marker Control
//
edit_start_button=new RDPushButton(this);
edit_start_button->setToggleButton(true);
edit_start_button->setGeometry(0,155,66,45);
edit_start_button->setFlashColor(backgroundColor());
edit_start_button->setFlashPeriod(RD_CUEEDITOR_BUTTON_FLASH_PERIOD);
edit_start_button->setPalette(QPalette(QColor(RD_CUEEDITOR_START_MARKER),
backgroundColor()));
edit_start_button->setFont(buttonFont());
edit_start_button->setText(tr("Start"));
connect(edit_start_button,SIGNAL(clicked()),this,SLOT(startClickedData()));
//
// End Marker Control
//
edit_end_button=new RDPushButton(this);
edit_end_button->setToggleButton(true);
edit_end_button->setGeometry(90,155,66,45);
edit_end_button->setFlashColor(backgroundColor());
edit_end_button->setFlashPeriod(RD_CUEEDITOR_BUTTON_FLASH_PERIOD);
edit_end_button->setPalette(QPalette(QColor(RD_CUEEDITOR_START_MARKER),
backgroundColor()));
edit_end_button->setFont(buttonFont());
edit_end_button->setText(tr("End"));
connect(edit_end_button,SIGNAL(clicked()),this,SLOT(endClickedData()));
//
// Recue Marker Control
//
edit_recue_button=new RDPushButton(this);
edit_recue_button->setToggleButton(true);
edit_recue_button->setGeometry(180,155,66,45);
edit_recue_button->setFlashColor(backgroundColor());
edit_recue_button->setFlashPeriod(RD_CUEEDITOR_BUTTON_FLASH_PERIOD);
edit_recue_button->setPalette(QPalette(QColor(RD_CUEEDITOR_START_MARKER),
backgroundColor()));
edit_recue_button->setFont(buttonFont());
edit_recue_button->setText(tr("&Recue"));
connect(edit_recue_button,SIGNAL(clicked()),this,SLOT(recue()));
//
// Audition Stop Timer
//
edit_audition_timer=new QTimer(this);
connect(edit_audition_timer,SIGNAL(timeout()),this,SLOT(auditionTimerData()));
//
// Play Deck
//
edit_play_deck=new RDPlayDeck(rda->cae(),RDPLAYDECK_AUDITION_ID,this);
connect(edit_play_deck,SIGNAL(stateChanged(int,RDPlayDeck::State)),this,
SLOT(stateChangedData(int,RDPlayDeck::State)));
connect(edit_play_deck,SIGNAL(position(int,int)),
this,SLOT(positionData(int,int)));
}
RDCueEdit::~RDCueEdit()
{
}
QSize RDCueEdit::sizeHint() const
{
return QSize(610,215);
}
QSizePolicy RDCueEdit::sizePolicy() const
{
return QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
}
void RDCueEdit::setRml(RDEventPlayer *player,const QString &start_rml,
const QString &stop_rml)
{
edit_event_player=player;
edit_start_rml=start_rml;
edit_stop_rml=stop_rml;
}
bool RDCueEdit::initialize(RDLogLine *logline)
{
edit_logline=logline;
edit_position_bar->setLength(edit_logline->forcedLength());
edit_start_button->setOn(false);
if(!(edit_logline->status()==RDLogLine::Scheduled) &&
!(edit_logline->status()==RDLogLine::Paused)) {
edit_start_button->hide();
edit_end_button->hide();
}
else {
edit_start_button->show();
edit_end_button->show();
}
edit_slider->setRange(0,edit_logline->forcedLength());
edit_slider->setValue(edit_logline->playPosition());
sliderChangedData(edit_logline->playPosition());
startClickedData();
edit_stop_button->on();
edit_position_bar->
setMarker(RDMarkerBar::Play,edit_logline->playPosition());
edit_position_bar->
setMarker(RDMarkerBar::Start,edit_logline->playPosition());
edit_position_bar->
setMarker(RDMarkerBar::End,edit_logline->endPoint());
edit_slider->setValue(edit_logline->playPosition());
UpdateCounters();
return true;
}
unsigned RDCueEdit::playPosition(RDMarkerBar::Marker marker) const
{
return edit_position_bar->marker(marker);
}
void RDCueEdit::stop()
{
if(edit_play_deck->state()==RDPlayDeck::Playing) {
edit_play_deck->stop();
}
}
void RDCueEdit::recue()
{
edit_position_bar->setMarker(RDMarkerBar::Start,0);
if(edit_start_button->isOn()) {
edit_slider->setValue(0);
}
UpdateCounters();
}
void RDCueEdit::sliderChangedData(int pos)
{
if(edit_start_button->isOn()) {
edit_position_bar->setMarker(RDMarkerBar::Start,pos);
}
else {
if(edit_end_button->isOn()) {
edit_position_bar->setMarker(RDMarkerBar::End,pos);
}
else {
edit_position_bar->setMarker(RDMarkerBar::Play,pos);
}
}
UpdateCounters();
}
void RDCueEdit::sliderPressedData()
{
if(edit_play_deck->state()==RDPlayDeck::Playing) {
edit_play_deck->stop();
edit_slider_pressed=true;
}
}
void RDCueEdit::sliderReleasedData()
{
if(edit_slider_pressed) {
auditionButtonData();
edit_slider_pressed=false;
}
}
void RDCueEdit::auditionButtonData()
{
int start_pos=edit_slider->value();
int play_len=-1;
if(edit_play_deck->state()==RDPlayDeck::Playing) {
return;
}
edit_play_deck->setCard(rda->station()->cueCard());
edit_play_deck->setPort(rda->station()->cuePort());
if(!edit_play_deck->setCart(edit_logline,false)) {
return;
}
if(edit_start_button->isOn()) {
if(edit_play_deck->state()==RDPlayDeck::Stopped) {
start_pos=edit_position_bar->marker(RDMarkerBar::Start);
}
if(edit_play_deck->state()==RDPlayDeck::Paused) {
start_pos=edit_play_deck->currentPosition();
}
play_len=edit_position_bar->marker(RDMarkerBar::End)-start_pos;
}
else {
if(edit_end_button->isOn()) {
if(edit_play_deck->state()==RDPlayDeck::Stopped) {
play_len=RD_CUEEDITOR_AUDITION_PREROLL;
if(play_len>(edit_position_bar->marker(RDMarkerBar::End)-
edit_position_bar->marker(RDMarkerBar::Start))) {
play_len=edit_position_bar->marker(RDMarkerBar::End)-
edit_position_bar->marker(RDMarkerBar::Start);
}
start_pos=edit_position_bar->marker(RDMarkerBar::End)-play_len;
}
}
else {
if((edit_play_deck->state()==RDPlayDeck::Stopped)&&
(!edit_slider_pressed)) {
edit_start_pos=edit_slider->value();
}
}
}
edit_play_deck->play(start_pos);
if(play_len>=0) {
edit_audition_timer->start(play_len,true);
}
if((!edit_start_rml.isEmpty())&&(edit_event_player!=NULL)) {
edit_event_player->exec(edit_logline->resolveWildcards(edit_start_rml));
}
}
void RDCueEdit::pauseButtonData()
{
if(edit_play_deck->state()==RDPlayDeck::Playing) {
edit_play_deck->pause();
}
}
void RDCueEdit::stopButtonData()
{
switch(edit_play_deck->state()) {
case RDPlayDeck::Playing:
case RDPlayDeck::Paused:
edit_play_deck->stop();
break;
default:
break;
}
}
void RDCueEdit::stateChangedData(int id,RDPlayDeck::State state)
{
if(id!=RDPLAYDECK_AUDITION_ID) {
return;
}
switch(state) {
case RDPlayDeck::Playing:
Playing(id);
break;
case RDPlayDeck::Stopping:
break;
case RDPlayDeck::Paused:
Paused(id);
break;
case RDPlayDeck::Stopped:
Stopped(id);
break;
case RDPlayDeck::Finished:
Stopped(id);
break;
}
}
void RDCueEdit::positionData(int id,int msecs)
{
if(id!=RDPLAYDECK_AUDITION_ID) {
return;
}
edit_position_bar->setMarker(RDMarkerBar::Play,msecs);
if((!edit_start_button->isOn())&&(!edit_end_button->isOn())) {
edit_slider->setValue(msecs);
}
UpdateCounters();
}
void RDCueEdit::auditionTimerData()
{
edit_play_deck->stop();
}
void RDCueEdit::startClickedData()
{
if(edit_end_button->isOn()) {
edit_end_button->toggle();
SetEndMode(false);
}
SetStartMode(edit_start_button->isOn());
}
void RDCueEdit::endClickedData()
{
if(edit_start_button->isOn()) {
edit_start_button->toggle();
SetStartMode(false);
}
SetEndMode(edit_end_button->isOn());
}
void RDCueEdit::SetStartMode(bool state)
{
if(state) {
edit_slider->setRange(0,edit_position_bar->marker(RDMarkerBar::End));
edit_slider->setGeometry(60,30,
(int)(50.0+((double)(sizeHint().width()-200)*
(double)edit_position_bar->
marker(RDMarkerBar::End)/
(double)edit_logline->
forcedLength())),50);
edit_slider->setValue(edit_position_bar->marker(RDMarkerBar::Start));
edit_slider->setKnobColor(RD_CUEEDITOR_START_MARKER);
edit_audition_button->setAccentColor(RD_CUEEDITOR_START_MARKER);
edit_start_button->setFlashingEnabled(true);
edit_up_label->setPalette(edit_start_color);
edit_down_label->setPalette(edit_start_color);
UpdateCounters();
}
else {
edit_slider->setRange(0,edit_logline->forcedLength());
edit_slider->setGeometry(60,30,sizeHint().width()-150,50);
edit_slider->setValue(edit_position_bar->marker(RDMarkerBar::Play));
edit_slider->setKnobColor(RD_CUEEDITOR_PLAY_MARKER);
edit_audition_button->setAccentColor(RD_CUEEDITOR_PLAY_MARKER);
edit_start_button->setFlashingEnabled(false);
edit_up_label->setPalette(palette());
edit_down_label->setPalette(palette());
UpdateCounters();
}
}
void RDCueEdit::SetEndMode(bool state)
{
if(state) {
edit_slider->setRange(edit_position_bar->marker(RDMarkerBar::Start),
edit_logline->forcedLength());
edit_slider->setGeometry((int)(60.0+(double)(sizeHint().width()-200)*
(double)edit_position_bar->
marker(RDMarkerBar::Start)/
(double)edit_logline->forcedLength()),
30,(int)(50.0+((double)(sizeHint().width()-200)*
((double)edit_logline->
forcedLength()-
(double)edit_position_bar->
marker(RDMarkerBar::Start))/
(double)edit_logline->
forcedLength())),50);
edit_slider->setValue(edit_position_bar->marker(RDMarkerBar::End));
edit_slider->setKnobColor(RD_CUEEDITOR_START_MARKER);
edit_audition_button->setAccentColor(RD_CUEEDITOR_START_MARKER);
edit_end_button->setFlashingEnabled(true);
edit_up_label->setPalette(edit_start_color);
edit_down_label->setPalette(edit_start_color);
UpdateCounters();
}
else {
edit_slider->setRange(0,edit_logline->forcedLength());
edit_slider->setGeometry(60,30,sizeHint().width()-150,50);
edit_slider->setValue(edit_position_bar->marker(RDMarkerBar::Play));
edit_slider->setKnobColor(RD_CUEEDITOR_PLAY_MARKER);
edit_audition_button->setAccentColor(RD_CUEEDITOR_PLAY_MARKER);
edit_end_button->setFlashingEnabled(false);
edit_up_label->setPalette(palette());
edit_down_label->setPalette(palette());
UpdateCounters();
}
}
/*
void RDCueEdit::ShowAudioControls(bool state)
{
if(state) {
edit_height=325;
edit_slider->show();
edit_up_label->show();
edit_down_label->show();
edit_audition_button->show();
edit_pause_button->show();
edit_position_bar->show();
edit_position_label->show();
}
else {
edit_height=170;
edit_slider->hide();
edit_up_label->hide();
edit_down_label->hide();
edit_audition_button->hide();
edit_pause_button->hide();
edit_position_bar->hide();
edit_position_label->hide();
}
}
*/
void RDCueEdit::Playing(int id)
{
edit_audition_button->on();
edit_pause_button->off();
edit_stop_button->off();
edit_right_click_stop=true;
}
void RDCueEdit::Paused(int id)
{
if(!edit_slider_pressed) {
edit_audition_button->off();
edit_pause_button->on();
edit_stop_button->off();
ClearChannel();
edit_right_click_stop=false;
}
}
void RDCueEdit::Stopped(int id)
{
if(!edit_slider_pressed) {
edit_audition_button->off();
edit_pause_button->off();
edit_stop_button->on();
ClearChannel();
edit_right_click_stop=false;
}
if(edit_start_button->isOn()) {
edit_position_bar->
setMarker(RDMarkerBar::Play,edit_position_bar->marker(RDMarkerBar::Start));
edit_slider->setValue(edit_position_bar->marker(RDMarkerBar::Start));
}
else {
if(edit_end_button->isOn()) {
edit_slider->setValue(edit_position_bar->marker(RDMarkerBar::End));
}
else {
edit_position_bar->setMarker(RDMarkerBar::Play,edit_start_pos);
edit_slider->setValue(edit_start_pos);
}
}
}
void RDCueEdit::UpdateCounters()
{
if(edit_start_button->isOn()) {
edit_up_label->
setText(RDGetTimeLength(edit_position_bar->marker(RDMarkerBar::Start),true));
edit_down_label->
setText(RDGetTimeLength(edit_logline->
forcedLength()-edit_position_bar->
marker(RDMarkerBar::Start),true));
}
else {
if(edit_end_button->isOn()) {
edit_up_label->
setText(RDGetTimeLength(edit_position_bar->marker(RDMarkerBar::End),
true));
edit_down_label->
setText(RDGetTimeLength(edit_logline->
forcedLength()-edit_position_bar->
marker(RDMarkerBar::End),true));
}
else {
edit_up_label->
setText(RDGetTimeLength(edit_position_bar->marker(RDMarkerBar::Play),
true));
edit_down_label->
setText(RDGetTimeLength(edit_logline->
forcedLength()-edit_position_bar->
marker(RDMarkerBar::Play),true));
}
}
}
void RDCueEdit::ClearChannel()
{
if(rda->cae()->playPortActive(edit_play_deck->card(),edit_play_deck->port(),
edit_play_deck->stream())) {
return;
}
if((!edit_stop_rml.isEmpty())&&(edit_event_player!=NULL)) {
edit_event_player->exec(edit_stop_rml);
}
}
void RDCueEdit::wheelEvent(QWheelEvent *e)
{
if(edit_audition_button->isShown()) {
if(edit_play_deck->state()==RDPlayDeck::Playing) {
edit_play_deck->pause();
}
if(edit_shift_pressed) {
edit_slider->setValue(edit_slider->value()+(e->delta()*10)/12);
}
else {
edit_slider->setValue(edit_slider->value()+(e->delta()*100)/12);
}
sliderChangedData(edit_slider->value());
}
}
void RDCueEdit::mousePressEvent(QMouseEvent *e)
{
switch(e->button()) {
case Qt::RightButton:
if(edit_audition_button->isShown()) {
if(edit_right_click_stop) {
stopButtonData();
}
else {
auditionButtonData();
}
}
break;
case Qt::MidButton:
if(edit_audition_button->isShown()) {
if(edit_logline->forcedLength()>10000) {
if(edit_play_deck->state()==RDPlayDeck::Playing) {
edit_play_deck->pause();
}
edit_slider->setValue((edit_logline->forcedLength())-10000);
sliderChangedData(edit_slider->value());
}
auditionButtonData();
}
break;
default:
QWidget::mousePressEvent(e);
break;
}
}
void RDCueEdit::keyPressEvent(QKeyEvent *e)
{
switch(e->key()) {
case Qt::Key_Shift:
edit_shift_pressed=true;
break;
default:
e->ignore();
break;
}
}
void RDCueEdit::keyReleaseEvent(QKeyEvent *e)
{
switch(e->key()) {
case Qt::Key_Shift:
edit_shift_pressed=false;
QWidget::keyPressEvent(e);
break;
default:
QWidget::keyPressEvent(e);
break;
}
}
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