SoundTrack.cpp

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2014 Sanjiban Bairagya <sanjiban22393@gmail.com>
//
 
#include "SoundTrack.h"
 
#include "PlaybackSoundCueItem.h"
 
namespace Marble
{
 
SoundTrack::SoundTrack(PlaybackSoundCueItem *item)
{
    m_item = item;
    m_progress = 0;
    m_delayBeforeTrackStarts = 0;
    m_paused = true;
    connect(&m_timer, &QTimer::timeout, this, &SoundTrack::playSlot);
}
 
void SoundTrack::setDelayBeforeTrackStarts(double delay)
{
    m_delayBeforeTrackStarts = delay;
    m_timer.setSingleShot(true);
    m_timer.setInterval(m_delayBeforeTrackStarts * 1000);
}
 
double SoundTrack::delayBeforeTrackStarts() const
{
    return m_delayBeforeTrackStarts;
}
 
void SoundTrack::play()
{
    m_paused = false;
    m_playTime = QDateTime::currentDateTime();
    if (m_progress <= m_delayBeforeTrackStarts) {
        m_timer.start((m_delayBeforeTrackStarts - m_progress) * 1000);
    } else {
        m_item->play();
    }
}
 
void SoundTrack::playSlot()
{
    m_item->play();
}
 
void SoundTrack::pause()
{
    m_paused = true;
    m_pauseTime = QDateTime::currentDateTime();
    m_progress += m_playTime.msecsTo(m_pauseTime);
    if (m_timer.isActive()) {
        m_timer.stop();
    } else {
        m_item->pause();
    }
}
 
void SoundTrack::seek(double offset)
{
    m_timer.stop();
    m_progress = offset;
    m_playTime = QDateTime::currentDateTime().addMSecs(-offset * 1000);
 
    if (offset <= m_delayBeforeTrackStarts) {
        if (!m_paused) {
            m_pauseTime = QDateTime();
            m_item->stop();
            m_timer.start((m_delayBeforeTrackStarts - m_progress) * 1000);
        } else {
            m_pauseTime = QDateTime::currentDateTime();
        }
    } else {
        if (!m_paused) {
            m_pauseTime = QDateTime();
            m_item->seek(offset - m_delayBeforeTrackStarts);
        } else {
            m_pauseTime = QDateTime::currentDateTime();
            m_item->seek(offset - m_delayBeforeTrackStarts);
        }
    }
}
 
void SoundTrack::stop()
{
    m_paused = true;
    m_item->stop();
    m_timer.stop();
    m_playTime = QDateTime();
    m_pauseTime = QDateTime();
    m_progress = 0;
}
 
void SoundTrack::setPaused(bool pause)
{
    m_paused = pause;
}
 
}
 
#include "moc_SoundTrack.cpp"