diff options
Diffstat (limited to 'src/plugins/fakeradio/fakeradiotunercontrol.cpp')
| -rw-r--r-- | src/plugins/fakeradio/fakeradiotunercontrol.cpp | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/src/plugins/fakeradio/fakeradiotunercontrol.cpp b/src/plugins/fakeradio/fakeradiotunercontrol.cpp deleted file mode 100644 index b30cd0b..0000000 --- a/src/plugins/fakeradio/fakeradiotunercontrol.cpp +++ /dev/null @@ -1,380 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "fakeradiotunercontrol.h" -#include "fakeradioservice.h" - -#include <QtCore/qdebug.h> - -FakeRadioTunerControl::FakeRadioTunerControl(QObject *parent) - :QRadioTunerControl(parent) -{ - m_state = QRadioTuner::StoppedState; - m_freqMin = 520000; - m_freqMax = 108000000; - m_currentBand = QRadioTuner::FM; - m_currentFreq = 0; - m_stereo = true; - m_stereoMode = QRadioTuner::Auto; - m_signalStrength = 0; - m_volume = 50; - m_muted = false; - - m_searching = false; - m_forward = true; - m_searchMode = QRadioTuner::SearchFast; - m_piCounter = 0; - m_searchTimer = new QTimer(this); - m_searchTimer->setSingleShot(true); - connect(m_searchTimer, SIGNAL(timeout()), this, SLOT(searchEnded())); - - m_allStationSeekTimer = new QTimer(this); - m_allStationSeekTimer->setSingleShot(true); - connect(m_allStationSeekTimer,SIGNAL(timeout()),this,SLOT(newStationFound())); - - QTimer::singleShot(300, this, SLOT(delayedInit())); - - qsrand(QTime::currentTime().msec()); -} - -FakeRadioTunerControl::~FakeRadioTunerControl() -{ - m_searchTimer->stop(); -} - -bool FakeRadioTunerControl::isAvailable() const -{ - return true; -} - -QtMultimedia::AvailabilityError FakeRadioTunerControl::availabilityError() const -{ - return QtMultimedia::NoError; -} - -QRadioTuner::State FakeRadioTunerControl::state() const -{ - return m_state; -} - -QRadioTuner::Band FakeRadioTunerControl::band() const -{ - return m_currentBand; -} - -bool FakeRadioTunerControl::isBandSupported(QRadioTuner::Band b) const -{ - switch (b) { - case QRadioTuner::FM: - if (m_freqMin <= 87500000 && m_freqMax >= 108000000) - return true; - break; - case QRadioTuner::LW: - if (m_freqMin <= 148500 && m_freqMax >= 283500) - return true; - case QRadioTuner::AM: - if (m_freqMin <= 520000 && m_freqMax >= 1610000) - return true; - default: - if (m_freqMin <= 1711000 && m_freqMax >= 30000000) - return true; - } - - return false; -} - -void FakeRadioTunerControl::setBand(QRadioTuner::Band b) -{ - if (isBandSupported(b)) { - m_currentBand = b; - emit bandChanged(m_currentBand); - - int f = m_currentFreq; - QPair<int, int> fRange = frequencyRange(m_currentBand); - - if (f < fRange.first) - f = fRange.first; - if (f > fRange.second) - f = fRange.second; - - if (f != m_currentFreq) { - m_currentFreq = f; - emit frequencyChanged(m_currentFreq); - } - } -} - -int FakeRadioTunerControl::frequency() const -{ - return m_currentFreq; -} - -int FakeRadioTunerControl::frequencyStep(QRadioTuner::Band b) const -{ - int step = 0; - - if (b == QRadioTuner::FM) - step = 100000; // 100kHz steps - else if (b == QRadioTuner::LW) - step = 1000; // 1kHz steps - else if (b == QRadioTuner::AM) - step = 1000; // 1kHz steps - else if (b == QRadioTuner::SW) - step = 500; // 500Hz steps - - return step; -} - -QPair<int,int> FakeRadioTunerControl::frequencyRange(QRadioTuner::Band b) const -{ - if (b == QRadioTuner::FM) - return qMakePair<int,int>(87500000,108000000); - else if (b == QRadioTuner::LW) - return qMakePair<int,int>(148500,283500); - else if (b == QRadioTuner::AM) - return qMakePair<int,int>(520000,1710000); - else if (b == QRadioTuner::SW) - return qMakePair<int,int>(1711111,30000000); - - return qMakePair<int,int>(0,0); -} - -void FakeRadioTunerControl::setFrequency(int frequency) -{ - qint64 f = frequency; - QPair<int, int> fRange = frequencyRange(m_currentBand); - - if (frequency < fRange.first) - f = fRange.first; - if (frequency > fRange.second) - f = fRange.second; - - m_currentFreq = f; - emit frequencyChanged(m_currentFreq); -} - -bool FakeRadioTunerControl::isStereo() const -{ - return m_stereo; -} - -QRadioTuner::StereoMode FakeRadioTunerControl::stereoMode() const -{ - return m_stereoMode; -} - -void FakeRadioTunerControl::setStereoMode(QRadioTuner::StereoMode mode) -{ - bool stereo = true; - - if (mode == QRadioTuner::ForceMono) - stereo = false; - else - stereo = true; - - m_stereo = stereo; - m_stereoMode = mode; - - emit stereoStatusChanged(stereo); -} - -int FakeRadioTunerControl::signalStrength() const -{ - return m_signalStrength; -} - -int FakeRadioTunerControl::volume() const -{ - return m_volume; -} - -void FakeRadioTunerControl::setVolume(int volume) -{ - int v = volume; - - if (v < 0) - v = 0; - if (100 > v) - v = 100; - - m_volume = v; -} - -bool FakeRadioTunerControl::isMuted() const -{ - return m_muted; -} - -void FakeRadioTunerControl::setMuted(bool muted) -{ - if (muted != m_muted) { - m_muted = muted; - emit mutedChanged(m_muted); - } -} - -bool FakeRadioTunerControl::isSearching() const -{ - return m_searching; -} - -void FakeRadioTunerControl::cancelSearch() -{ - m_searching = false; - m_searchTimer->stop(); - emit searchingChanged(m_searching); -} - -void FakeRadioTunerControl::searchForward() -{ - m_forward = true; - performSearch(); -} - -void FakeRadioTunerControl::searchBackward() -{ - m_forward = false; - performSearch(); -} - -void FakeRadioTunerControl::searchAllStations(QRadioTuner::SearchMode searchMode) -{ - m_searchMode = searchMode; - m_seekingStartFreq = m_currentFreq; - m_searching = true; - m_allStationSeekTimer->start(10); - emit searchingChanged(m_searching); -} - -void FakeRadioTunerControl::newStationFound() -{ - QPair<int, int> fRange = frequencyRange(m_currentBand); - if (m_currentFreq == fRange.second) - m_currentFreq = fRange.first; - else - m_currentFreq += 100000; - emit frequencyChanged(m_currentFreq); - - // There are 200 ticks, we want to find average of 5 stations per scan - if (qrand() < (RAND_MAX/40)) { - QString programmeId; - - if (m_searchMode == QRadioTuner::SearchGetStationId) - programmeId = QString("FakeProgrammeID") + QString::number(m_piCounter++); - - emit stationFound(m_currentFreq, programmeId); - } - - if (m_currentFreq == m_seekingStartFreq) { - m_searching = false; - emit searchingChanged(m_searching); - }else { - m_allStationSeekTimer->start(10); - } -} - -void FakeRadioTunerControl::start() -{ - if (isAvailable() && m_state != QRadioTuner::ActiveState) { - m_state = QRadioTuner::ActiveState; - emit stateChanged(m_state); - } -} - -void FakeRadioTunerControl::stop() -{ - if (m_state != QRadioTuner::StoppedState) { - m_state = QRadioTuner::StoppedState; - emit stateChanged(m_state); - } -} - -QRadioTuner::Error FakeRadioTunerControl::error() const -{ - return QRadioTuner::NoError; -} - -QString FakeRadioTunerControl::errorString() const -{ - return QString(); -} - -void FakeRadioTunerControl::delayedInit() -{ - m_signalStrength = 50; - emit signalStrengthChanged(m_signalStrength); -} - -void FakeRadioTunerControl::performSearch() -{ - m_searching = true; - m_searchTimer->start(qrand() % 1000); - emit searchingChanged(m_searching); -} - -void FakeRadioTunerControl::searchEnded() -{ - int minFreq, maxFreq, newFreq; - QPair<int, int> fRange = frequencyRange(m_currentBand); - - if (m_forward) { - minFreq = m_currentFreq; - maxFreq = fRange.second; - } else { - minFreq = fRange.first; - maxFreq = m_currentFreq; - } - - if ((qreal)(maxFreq - minFreq) / (qreal)(fRange.second - fRange.first) < 0.02) { - // don't change frequency if we have less than 2% of the range to scan - m_searching = false; - emit searchingChanged(m_searching); - return; - } - - newFreq = (qrand() % (maxFreq - minFreq)) + minFreq; - newFreq -= newFreq % frequencyStep(m_currentBand); - - m_searching = false; - m_currentFreq = newFreq; - emit searchingChanged(m_searching); - emit frequencyChanged(m_currentFreq); -} |