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audiosettingsdialog.cpp
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audiosettingsdialog.cpp
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// audio_settings_dialog.cpp
//
// Edit an AudioSettings object.
//
// (C) Copyright 2002-2003,2016 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library 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 <math.h>
#include <stdio.h>
#include <QLabel>
#include <QPushButton>
#include "audiosettingsdialog.h"
AudioSettingsDialog::AudioSettingsDialog(AudioSettings *settings,bool mpeg,
QWidget *parent,const char *name)
: QDialog(parent,name,true)
{
lib_lib=settings;
//
// Dialog Name
//
setCaption(tr("Edit Settings"));
//
// Fix the Window Size
//
setMinimumWidth(sizeHint().width());
setMaximumWidth(sizeHint().width());
setMinimumHeight(sizeHint().height());
setMaximumHeight(sizeHint().height());
//
// Generate Fonts
//
QFont font=QFont("Helvetica",12,QFont::Normal);
font.setPixelSize(12);
QFont button_font=QFont("Helvetica",12,QFont::Bold);
button_font.setPixelSize(12);
//
// Default Format
//
lib_format_box=new QComboBox(this,"lib_name_edit");
lib_format_box->setGeometry(150,10,150,20);
lib_format_box->setFont(font);
connect(lib_format_box,SIGNAL(activated(int)),this,SLOT(formatData(int)));
QLabel *lib_format_label=new QLabel(lib_format_box,tr("Default &Format:"),
this,"lib_format_label");
lib_format_label->setGeometry(25,10,120,20);
lib_format_label->setFont(font);
lib_format_label->setAlignment(Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic);
//
// Default Channels
//
lib_channels_box=new QComboBox(this,"lib_name_edit");
lib_channels_box->setGeometry(150,32,60,20);
lib_channels_box->setFont(font);
QLabel *lib_channels_label=new QLabel(lib_channels_box,
tr("Default &Channels:"),
this,"lib_channels_label");
lib_channels_label->setGeometry(25,32,120,20);
lib_channels_label->setFont(font);
lib_channels_label->setAlignment(Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic);
//
// Default Sample Rate
//
lib_samprate_box=new QComboBox(this,"lib_name_edit");
lib_samprate_box->setGeometry(150,54,100,20);
lib_samprate_box->setFont(font);
QLabel *lib_samprate_label=
new QLabel(lib_samprate_box,tr("Default &Sample Rate:"),this,
"lib_samprate_label");
lib_samprate_label->setGeometry(20,54,125,20);
lib_samprate_label->setFont(font);
lib_samprate_label->setAlignment(Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic);
//
// Default Bitrate
//
lib_bitrate_box=new QComboBox(this,"lib_name_edit");
lib_bitrate_box->setGeometry(150,76,100,20);
lib_bitrate_box->setFont(font);
QLabel *lib_bitrate_label=
new QLabel(lib_bitrate_box,tr("Default &Bitrate:"),this,
"lib_bitrate_label");
lib_bitrate_label->setGeometry(25,76,120,20);
lib_bitrate_label->setFont(font);
lib_bitrate_label->setAlignment(Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic);
//
// Ok Button
//
QPushButton *ok_button=new QPushButton(this,"ok_button");
ok_button->setGeometry(145,108,80,50);
ok_button->setDefault(true);
ok_button->setFont(button_font);
ok_button->setText(tr("&OK"));
connect(ok_button,SIGNAL(clicked()),this,SLOT(okData()));
//
// Cancel Button
//
QPushButton *cancel_button=new QPushButton(this,"cancel_button");
cancel_button->setGeometry(235,108,80,50);
cancel_button->setFont(button_font);
cancel_button->setText(tr("&Cancel"));
connect(cancel_button,SIGNAL(clicked()),this,SLOT(cancelData()));
//
// Populate Fields
//
lib_format_box->insertItem(tr("PCM16"));
#ifdef HAVE_VORBIS
lib_format_box->insertItem(tr("OggVorbis"));
#endif // HAVE_VORBIS
if(mpeg) {
lib_format_box->insertItem(tr("MPEG Layer 2"));
lib_format_box->insertItem(tr("MPEG Layer 3"));
}
QString str;
switch(lib_lib->format()) {
case AudioSettings::Pcm16:
str="PCM16";
break;
case AudioSettings::OggVorbis:
str="OggVorbis";
break;
case AudioSettings::Layer1:
str="MPEG Layer 1";
break;
case AudioSettings::Layer2:
str="MPEG Layer 2";
break;
case AudioSettings::Layer3:
str="MPEG Layer 3";
break;
}
for(int i=0;i<lib_format_box->count();i++) {
if(lib_format_box->text(i)==str) {
lib_format_box->setCurrentItem(i);
}
}
lib_channels_box->insertItem("1");
lib_channels_box->insertItem("2");
lib_channels_box->setCurrentItem(lib_lib->channels()-1);
lib_samprate_box->insertItem("32000");
lib_samprate_box->insertItem("44100");
lib_samprate_box->insertItem("48000");
switch(lib_lib->sampleRate()) {
case 32000:
lib_samprate_box->setCurrentItem(0);
break;
case 44100:
lib_samprate_box->setCurrentItem(1);
break;
case 48000:
lib_samprate_box->setCurrentItem(2);
break;
}
ShowBitRates(lib_lib->format(),lib_lib->bitRate());
}
AudioSettingsDialog::~AudioSettingsDialog()
{
delete lib_channels_box;
delete lib_samprate_box;
delete lib_bitrate_box;
}
QSize AudioSettingsDialog::sizeHint() const
{
return QSize(325,168);
}
QSizePolicy AudioSettingsDialog::sizePolicy() const
{
return QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
}
void AudioSettingsDialog::formatData(int index)
{
ShowBitRates(ReadFormat(),lib_lib->bitRate());
}
void AudioSettingsDialog::okData()
{
unsigned rate=0;
lib_lib->setFormat(ReadFormat());
lib_lib->setChannels(lib_channels_box->currentItem()+1);
sscanf(lib_samprate_box->currentText(),"%d",&rate);
lib_lib->setSampleRate(rate);
rate=0;
switch(lib_lib->format()) {
case AudioSettings::Layer1:
case AudioSettings::Layer2:
case AudioSettings::Layer3:
sscanf(lib_bitrate_box->currentText(),"%d",&rate);
break;
default:
break;
}
lib_lib->setBitRate(rate*1000);
done(0);
}
void AudioSettingsDialog::cancelData()
{
done(1);
}
void AudioSettingsDialog::ShowBitRates(AudioSettings::Format fmt,int rate)
{
lib_bitrate_box->clear();
switch(fmt) {
case AudioSettings::Pcm16:
case AudioSettings::OggVorbis:
lib_bitrate_box->setDisabled(true);
break;
case AudioSettings::Layer1:
lib_bitrate_box->setEnabled(true);
lib_bitrate_box->insertItem("32 kbps");
lib_bitrate_box->insertItem("64 kbps");
lib_bitrate_box->insertItem("96 kbps");
lib_bitrate_box->insertItem("128 kbps");
lib_bitrate_box->insertItem("160 kbps");
lib_bitrate_box->insertItem("192 kbps");
lib_bitrate_box->insertItem("224 kbps");
lib_bitrate_box->insertItem("256 kbps");
lib_bitrate_box->insertItem("288 kbps");
lib_bitrate_box->insertItem("320 kbps");
lib_bitrate_box->insertItem("352 kbps");
lib_bitrate_box->insertItem("384 kbps");
lib_bitrate_box->insertItem("416 kbps");
lib_bitrate_box->insertItem("448 kbps");
switch(lib_lib->bitRate()) {
case 32000:
lib_bitrate_box->setCurrentItem(0);
break;
case 64000:
lib_bitrate_box->setCurrentItem(1);
break;
case 96000:
lib_bitrate_box->setCurrentItem(2);
break;
case 128000:
lib_bitrate_box->setCurrentItem(3);
break;
case 160000:
lib_bitrate_box->setCurrentItem(4);
break;
case 192000:
lib_bitrate_box->setCurrentItem(5);
break;
case 224000:
lib_bitrate_box->setCurrentItem(6);
break;
case 256000:
lib_bitrate_box->setCurrentItem(7);
break;
case 288000:
lib_bitrate_box->setCurrentItem(8);
break;
case 320000:
lib_bitrate_box->setCurrentItem(9);
break;
case 352000:
lib_bitrate_box->setCurrentItem(10);
break;
case 384000:
lib_bitrate_box->setCurrentItem(11);
break;
case 416000:
lib_bitrate_box->setCurrentItem(12);
break;
case 448000:
lib_bitrate_box->setCurrentItem(13);
break;
}
break;
case AudioSettings::Layer2:
lib_bitrate_box->setEnabled(true);
lib_bitrate_box->insertItem("32 kbps");
lib_bitrate_box->insertItem("48 kbps");
lib_bitrate_box->insertItem("56 kbps");
lib_bitrate_box->insertItem("64 kbps");
lib_bitrate_box->insertItem("80 kbps");
lib_bitrate_box->insertItem("96 kbps");
lib_bitrate_box->insertItem("112 kbps");
lib_bitrate_box->insertItem("128 kbps");
lib_bitrate_box->insertItem("160 kbps");
lib_bitrate_box->insertItem("192 kbps");
lib_bitrate_box->insertItem("224 kbps");
lib_bitrate_box->insertItem("256 kbps");
lib_bitrate_box->insertItem("320 kbps");
lib_bitrate_box->insertItem("384 kbps");
switch(lib_lib->bitRate()) {
case 32000:
lib_bitrate_box->setCurrentItem(0);
break;
case 48000:
lib_bitrate_box->setCurrentItem(1);
break;
case 56000:
lib_bitrate_box->setCurrentItem(2);
break;
case 64000:
lib_bitrate_box->setCurrentItem(3);
break;
case 80000:
lib_bitrate_box->setCurrentItem(4);
break;
case 96000:
lib_bitrate_box->setCurrentItem(5);
break;
case 112000:
lib_bitrate_box->setCurrentItem(6);
break;
case 128000:
lib_bitrate_box->setCurrentItem(7);
break;
case 160000:
lib_bitrate_box->setCurrentItem(8);
break;
case 192000:
lib_bitrate_box->setCurrentItem(9);
break;
case 224000:
lib_bitrate_box->setCurrentItem(10);
break;
case 256000:
lib_bitrate_box->setCurrentItem(11);
break;
case 320000:
lib_bitrate_box->setCurrentItem(12);
break;
case 384000:
lib_bitrate_box->setCurrentItem(13);
break;
}
break;
case AudioSettings::Layer3:
lib_bitrate_box->setEnabled(true);
lib_bitrate_box->insertItem("32 kbps");
lib_bitrate_box->insertItem("40 kbps");
lib_bitrate_box->insertItem("48 kbps");
lib_bitrate_box->insertItem("56 kbps");
lib_bitrate_box->insertItem("64 kbps");
lib_bitrate_box->insertItem("80 kbps");
lib_bitrate_box->insertItem("96 kbps");
lib_bitrate_box->insertItem("112 kbps");
lib_bitrate_box->insertItem("128 kbps");
lib_bitrate_box->insertItem("160 kbps");
lib_bitrate_box->insertItem("192 kbps");
lib_bitrate_box->insertItem("224 kbps");
lib_bitrate_box->insertItem("256 kbps");
lib_bitrate_box->insertItem("320 kbps");
switch(lib_lib->bitRate()) {
case 32000:
lib_bitrate_box->setCurrentItem(0);
break;
case 40000:
lib_bitrate_box->setCurrentItem(1);
break;
case 48000:
lib_bitrate_box->setCurrentItem(2);
break;
case 56000:
lib_bitrate_box->setCurrentItem(3);
break;
case 64000:
lib_bitrate_box->setCurrentItem(4);
break;
case 80000:
lib_bitrate_box->setCurrentItem(5);
break;
case 96000:
lib_bitrate_box->setCurrentItem(6);
break;
case 112000:
lib_bitrate_box->setCurrentItem(7);
break;
case 128000:
lib_bitrate_box->setCurrentItem(8);
break;
case 160000:
lib_bitrate_box->setCurrentItem(9);
break;
case 192000:
lib_bitrate_box->setCurrentItem(10);
break;
case 224000:
lib_bitrate_box->setCurrentItem(11);
break;
case 256000:
lib_bitrate_box->setCurrentItem(12);
break;
case 320000:
lib_bitrate_box->setCurrentItem(13);
break;
}
break;
}
}
AudioSettings::Format AudioSettingsDialog::ReadFormat()
{
if(lib_format_box->currentText()==tr("PCM16")) {
return AudioSettings::Pcm16;
}
if(lib_format_box->currentText()==tr("OggVorbis")) {
return AudioSettings::OggVorbis;
}
if(lib_format_box->currentText()==tr("MPEG Layer 2")) {
return AudioSettings::Layer2;
}
if(lib_format_box->currentText()==tr("MPEG Layer 3")) {
return AudioSettings::Layer3;
}
return AudioSettings::Pcm16;
}