1.发现一个新功能。Qt声卡采样率可以任意设置。

2.修复声卡模块播放BUG

modules/sinks/sink_soundcard/dialogsoundcard.cpp

@@ -109,11 +109,18 @@ void DialogSoundCard::InitMonitor()
 	mFormatSound.setSampleRate(ui->spinbox_sprate->value());
 	mFormatSound.setChannelCount(ui->spinbox_channels->value());
 
-	QAudioDevice infoOut(QMediaDevices::defaultAudioOutput());
+	//QAudioDevice infoOut(QMediaDevices::defaultAudioOutput());
+	QAudioDevice infoOut;
+	if (ui->comboBox_audioDevices->currentIndex()>=0 &&
+			ui->comboBox_audioDevices->currentIndex()<m_devOutputModule->rowCount())
+		infoOut = m_devOutputlist[ui->comboBox_audioDevices->currentIndex()];
+	else
+		infoOut = QMediaDevices::defaultAudioOutput();
+
 	if (!infoOut.isFormatSupported(mFormatSound))
 	{
 		//Default format not supported - trying to use nearest
-		mFormatSound = infoOut.preferredFormat();
+		//mFormatSound = infoOut.preferredFormat();
 	}
 
 	CreateAudioOutput();

modules/sources/source_soundcard/dialogsoundcard.cpp

@@ -130,7 +130,7 @@ void DialogSoundCard::CreateAudioInput()
 	if (!infoIn.isFormatSupported(mFormatSound))
 	{
 		//Default format not supported - trying to use nearest
-		mFormatSound = infoIn.preferredFormat();
+		//mFormatSound = infoIn.preferredFormat();
 	}
 
 	QAudioDevice inputDevice(infoIn);