C++ (Cpp) QAudioEncoderSettings::channelCount Examples

Example #1

File: s60audioencodercontrol.cpp Project: bavanisp/qtmobility-1.1.0

void S60AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
{
    QAudioFormat fmt = m_session->format();
    if (settings.encodingMode() == QtMultimediaKit::ConstantQualityEncoding) {
        fmt.setCodec(settings.codec());
        setQuality(settings.quality(), fmt);
        if (settings.sampleRate() > 0) {
            fmt.setFrequency(settings.sampleRate());
        }
        if (settings.channelCount() > 0)
            fmt.setChannels(settings.channelCount());
    }else {
        if (settings.sampleRate() == 8000) {
            fmt.setSampleType(QAudioFormat::UnSignedInt);
            fmt.setSampleSize(8);
        } else {
            fmt.setSampleType(QAudioFormat::SignedInt);
            fmt.setSampleSize(16);
        }
        fmt.setCodec(settings.codec());
        fmt.setFrequency(settings.sampleRate());
        fmt.setChannels(settings.channelCount());
    }
    m_session->setFormat(fmt);
    m_settings = settings;
}

Example #2

File: audioencodercontrol.cpp Project: Elleo/qtmultimedia

void AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
{
    QAudioFormat fmt = m_session->format();

    if (settings.encodingMode() == QMultimedia::ConstantQualityEncoding) {
        if (settings.quality() == QMultimedia::LowQuality) {
            fmt.setSampleSize(8);
            fmt.setChannelCount(1);
            fmt.setSampleRate(8000);
            fmt.setSampleType(QAudioFormat::UnSignedInt);

        } else if (settings.quality() == QMultimedia::NormalQuality) {
            fmt.setSampleSize(16);
            fmt.setChannelCount(1);
            fmt.setSampleRate(22050);
            fmt.setSampleType(QAudioFormat::SignedInt);

        } else {
            fmt.setSampleSize(16);
            fmt.setChannelCount(1);
            fmt.setSampleRate(44100);
            fmt.setSampleType(QAudioFormat::SignedInt);
        }

    } else {
        fmt.setChannelCount(settings.channelCount());
        fmt.setSampleRate(settings.sampleRate());
        if (settings.sampleRate() == 8000 && settings.bitRate() == 8000) {
            fmt.setSampleType(QAudioFormat::UnSignedInt);
            fmt.setSampleSize(8);
        } else {
            fmt.setSampleSize(16);
            fmt.setSampleType(QAudioFormat::SignedInt);
        }
    }
    fmt.setCodec("audio/pcm");

    m_session->setFormat(fmt);
    m_settings = settings;
}