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Diffstat (limited to 'src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp')
-rw-r--r--src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
index 36270a7..f663dd2 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
@@ -62,6 +62,8 @@ QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode
device = QLatin1String(dev);
this->mode = mode;
+
+ checkSurround();
}
QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()
@@ -389,6 +391,9 @@ void QAudioDeviceInfoInternal::updateLists()
}
channelz.append(1);
channelz.append(2);
+ if (surround40) channelz.append(4);
+ if (surround51) channelz.append(6);
+ if (surround71) channelz.append(8);
sizez.append(8);
sizez.append(16);
sizez.append(32);
@@ -483,4 +488,45 @@ QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()
return devices.first();
}
+void QAudioDeviceInfoInternal::checkSurround()
+{
+ QList<QByteArray> devices;
+ surround40 = false;
+ surround51 = false;
+ surround71 = false;
+
+ void **hints, **n;
+ char *name, *descr, *io;
+
+ if(snd_device_name_hint(-1, "pcm", &hints) < 0)
+ return;
+
+ n = hints;
+
+ while (*n != NULL) {
+ name = snd_device_name_get_hint(*n, "NAME");
+ descr = snd_device_name_get_hint(*n, "DESC");
+ io = snd_device_name_get_hint(*n, "IOID");
+ if((name != NULL) && (descr != NULL)) {
+ QString deviceName = QLatin1String(name);
+ if (mode == QAudio::AudioOutput) {
+ if(deviceName.contains(QLatin1String("surround40")))
+ surround40 = true;
+ if(deviceName.contains(QLatin1String("surround51")))
+ surround51 = true;
+ if(deviceName.contains(QLatin1String("surround71")))
+ surround71 = true;
+ }
+ }
+ if(name != NULL)
+ free(name);
+ if(descr != NULL)
+ free(descr);
+ if(io != NULL)
+ free(io);
+ ++n;
+ }
+ snd_device_name_free_hint(hints);
+}
+
QT_END_NAMESPACE