Replaced endpoint control with audio input and output controls

Change-Id: I981aabe39d106ced4ee1240db9e5b653c6fa5e91
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

1 files changed, 171 insertions, 0 deletions

diff --git a/src/gsttools/qgstreameraudioinputselector.cpp b/src/gsttools/qgstreameraudioinputselector.cpp
new file mode 100644
index 000000000..95d6dde7c
--- /dev/null
+++ b/src/gsttools/qgstreameraudioinputselector.cpp
@@ -0,0 +1,171 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgstreameraudioinputselector_p.h"
+
+#include <QtCore/QDir>
+#include <QtCore/QDebug>
+
+#include <gst/gst.h>
+
+#ifdef HAVE_ALSA
+#include <alsa/asoundlib.h>
+#endif
+
+QGstreamerAudioInputSelector::QGstreamerAudioInputSelector(QObject *parent)
+    :QAudioInputSelectorControl(parent)
+{
+    update();
+}
+
+QGstreamerAudioInputSelector::~QGstreamerAudioInputSelector()
+{
+}
+
+QList<QString> QGstreamerAudioInputSelector::availableInputs() const
+{
+    return m_names;
+}
+
+QString QGstreamerAudioInputSelector::inputDescription(const QString& name) const
+{
+    QString desc;
+
+    for (int i = 0; i < m_names.size(); i++) {
+        if (m_names.at(i).compare(name) == 0) {
+            desc = m_descriptions.at(i);
+            break;
+        }
+    }
+    return desc;
+}
+
+QString QGstreamerAudioInputSelector::defaultInput() const
+{
+    if (m_names.size() > 0)
+        return m_names.at(0);
+
+    return QString();
+}
+
+QString QGstreamerAudioInputSelector::activeInput() const
+{
+    return m_audioInput;
+}
+
+void QGstreamerAudioInputSelector::setActiveInput(const QString& name)
+{
+    if (m_audioInput.compare(name) != 0) {
+        m_audioInput = name;
+        emit activeInputChanged(name);
+    }
+}
+
+void QGstreamerAudioInputSelector::update()
+{
+    m_names.clear();
+    m_descriptions.clear();
+
+    //use autoaudiosrc as the first default device
+    m_names.append("default:");
+    m_descriptions.append(tr("System default device"));
+
+    updatePulseDevices();
+    updateAlsaDevices();
+    updateOssDevices();
+    if (m_names.size() > 0)
+        m_audioInput = m_names.at(0);
+}
+
+void QGstreamerAudioInputSelector::updateAlsaDevices()
+{
+#ifdef HAVE_ALSA
+    void **hints, **n;
+    if (snd_device_name_hint(-1, "pcm", &hints) < 0) {
+        qWarning()<<"no alsa devices available";
+        return;
+    }
+    n = hints;
+
+    while (*n != NULL) {
+        char *name = snd_device_name_get_hint(*n, "NAME");
+        char *descr = snd_device_name_get_hint(*n, "DESC");
+        char *io = snd_device_name_get_hint(*n, "IOID");
+
+        if ((name != NULL) && (descr != NULL)) {
+            if ( io == NULL || qstrcmp(io,"Input") == 0 ) {
+                m_names.append(QLatin1String("alsa:")+QString::fromUtf8(name));
+                m_descriptions.append(QString::fromUtf8(descr));
+            }
+        }
+
+        if (name != NULL)
+            free(name);
+        if (descr != NULL)
+            free(descr);
+        if (io != NULL)
+            free(io);
+        n++;
+    }
+    snd_device_name_free_hint(hints);
+#endif
+}
+
+void QGstreamerAudioInputSelector::updateOssDevices()
+{
+    QDir devDir("/dev");
+    devDir.setFilter(QDir::System);
+    QFileInfoList entries = devDir.entryInfoList(QStringList() << "dsp*");
+    foreach(const QFileInfo& entryInfo, entries) {
+        m_names.append(QLatin1String("oss:")+entryInfo.filePath());
+        m_descriptions.append(QString("OSS device %1").arg(entryInfo.fileName()));
+    }
+}
+
+void QGstreamerAudioInputSelector::updatePulseDevices()
+{
+    GstElementFactory *factory = gst_element_factory_find("pulsesrc");
+    if (factory) {
+        m_names.append("pulseaudio:");
+        m_descriptions.append("PulseAudio device.");
+        gst_object_unref(GST_OBJECT(factory));
+    }
+}