srtwriter.cpp

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#include "captions/srtwriter.h"
 
#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
#include <QStringConverter>
#endif
#include <QTime>
 
#include "libmythbase/mythlogging.h"
 
// SRTWriter implementation
 
SRTWriter::SRTWriter(const QString &fileName) :
    m_outFile(fileName), m_outStream(&m_outFile)
{
#if QT_VERSION < QT_VERSION_CHECK(6,0,0)
    m_outStream.setCodec("UTF-8");
#else
    m_outStream.setEncoding(QStringConverter::Utf8);
#endif
    if (!m_outFile.open(QFile::WriteOnly))
    {
        LOG(VB_GENERAL, LOG_ERR, QString("Failed to create '%1'").arg(fileName));
    }
    else
    {
        LOG(VB_GENERAL, LOG_DEBUG, QString("Created '%1'").arg(fileName));
    }
}
 
void SRTWriter::AddSubtitle(const OneSubtitle &sub, int number)
{
    m_outStream << number << Qt::endl;
 
    m_outStream << FormatTime(sub.m_startTime) << " --> ";
    m_outStream << FormatTime(sub.m_startTime + sub.m_length) << Qt::endl;
 
    if (!sub.m_text.isEmpty())
    {
        for (const auto & text : std::as_const(sub.m_text))
            m_outStream << text << Qt::endl;
        m_outStream << Qt::endl;
    }
}
 
QString SRTWriter::FormatTime(std::chrono::milliseconds time_in_msec)
{
    QTime time = QTime::fromMSecsSinceStartOfDay(time_in_msec.count());
    return time.toString("HH:mm:ss,zzz");
}