Qt 音频播放解决方案

    inputFile.setFileName("d:/001.mp3");    inputFile.open(QIODevice::ReadOnly);    QAudioFormat format;    format.setFrequency(8000);    format.setChannels(1);    format.setSampleSize(8);    format.setCodec("audio/pcm");    format.setByteOrder(QAudioFormat::LittleEndian);    format.setSampleType(QAudioFormat::UnSignedInt);    QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());    if (!info.isFormatSupported(format)) {        qWarning()<<"raw audio format not supported by backend, cannot play audio.";        return;    }    audio = new QAudioOutput(format, this);    audio->start(&inputFile);