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SoundStream.cpp
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SoundStream.cpp
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#include "SoundStream.h"
void SoundStream::start(int a_sample_rate, int a_channel_count, int a_sample_size)
{
if (m_audio_output != nullptr)
delete m_audio_output;
QAudioFormat format;
format.setSampleRate(a_sample_rate);
format.setChannelCount(a_channel_count);
format.setSampleSize(a_sample_size);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
open(QIODevice::ReadOnly);
m_audio_output = new QAudioOutput(format, this);
m_audio_output->start(this);
}
void SoundStream::pause()
{
if (m_audio_output == nullptr)
return;
if (m_audio_output->state() == QAudio::ActiveState)
m_audio_output->suspend();
else
m_audio_output->resume();
}
void SoundStream::stop()
{
if (m_audio_output == nullptr)
return;
m_audio_output->stop();
}
qint64 SoundStream::readData(char* a_buffer, qint64 a_size)
{
emit dataRequired(a_buffer, a_size);
return a_size;
}
qint64 SoundStream::writeData(const char*, qint64)
{
// Not supported
return 0;
}