No audio devices found for Ubuntu with QAudio classes

Changed alsa implementation to present audio devices from alsa.

Task-number:QTBUG-5723
Reviewed-by:Justin McPherson

1 files changed, 17 insertions, 8 deletions

diff --git a/src/multimedia/audio/qaudioinput_alsa_p.cpp b/src/multimedia/audio/qaudioinput_alsa_p.cpp
index 8a8f0db..3dbe66c 100644
--- a/src/multimedia/audio/qaudioinput_alsa_p.cpp
+++ b/src/multimedia/audio/qaudioinput_alsa_p.cpp
@@ -52,6 +52,7 @@
 
 #include <QtCore/qcoreapplication.h>
 #include "qaudioinput_alsa_p.h"
+#include "qaudiodeviceinfo_alsa_p.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -80,8 +81,7 @@ QAudioInputPrivate::QAudioInputPrivate(const QByteArray &device, const QAudioFor
     pullMode = true;
     resuming = false;
 
-    QStringList list1 = QString(QLatin1String(device)).split(QLatin1String(":"));
-    m_device = QByteArray(list1.at(0).toLocal8Bit().constData());
+    m_device = device;
 
     timer = new QTimer(this);
     connect(timer,SIGNAL(timeout()),SLOT(userFeed()));
@@ -259,22 +259,31 @@ bool QAudioInputPrivate::open()
     unsigned int freakuency=settings.frequency();
 
     QString dev = QString(QLatin1String(m_device.constData()));
-    if(!dev.contains(QLatin1String("default"))) {
-#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) 
-        dev = QString(QLatin1String("default:CARD=%1")).arg(QLatin1String(m_device.constData()));
+    QList<QByteArray> devices = QAudioDeviceInfoInternal::availableDevices(QAudio::AudioInput);
+    if(dev.compare(QLatin1String("default")) == 0) {
+#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
+        dev = QLatin1String(devices.first());
+#else
+        dev = QLatin1String("hw:0,0");
+#endif
+    } else {
+#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
+        dev = QLatin1String(m_device);
 #else
         int idx = 0;
         char *name;
 
+        QString shortName = QLatin1String(m_device.mid(m_device.indexOf('=',0)+1).constData());
+
         while(snd_card_get_name(idx,&name) == 0) {
-            if(m_device.contains(name))
+            if(qstrncmp(shortName.toLocal8Bit().constData(),name,shortName.length()) == 0)
                 break;
             idx++;
         }
         dev = QString(QLatin1String("hw:%1,0")).arg(idx);
 #endif
     }
-    
+
     // Step 1: try and open the device
     while((count < 5) && (err < 0)) {
         err=snd_pcm_open(&handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_CAPTURE,0);
@@ -614,7 +623,7 @@ qint64 QAudioInputPrivate::elapsedUSecs() const
     if (deviceState == QAudio::StoppedState)
         return 0;
 
-#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) 
+#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
     snd_pcm_status_t* status;
     snd_pcm_status_alloca(&status);