1 files changed, 150 insertions, 0 deletions
diff --git a/src/plugins/qnx-audio/audio/qnxaudiodeviceinfo.cpp b/src/plugins/qnx-audio/audio/qnxaudiodeviceinfo.cpp
new file mode 100644
index 000000000..ce8083573
--- /dev/null
+++ b/src/plugins/qnx-audio/audio/qnxaudiodeviceinfo.cpp
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnxaudiodeviceinfo.h"
+
+#include "qnxaudioutils.h"
+
+#include <sys/asoundlib.h>
+
+QT_BEGIN_NAMESPACE
+
+QnxAudioDeviceInfo::QnxAudioDeviceInfo(const QString &deviceName, QAudio::Mode mode)
+    : m_name(deviceName),
+      m_mode(mode)
+{
+}
+
+QnxAudioDeviceInfo::~QnxAudioDeviceInfo()
+{
+}
+
+QAudioFormat QnxAudioDeviceInfo::preferredFormat() const
+{
+    QAudioFormat format;
+    if (m_mode == QAudio::AudioOutput) {
+        format.setSampleRate(44100);
+        format.setChannelCount(2);
+        format.setByteOrder(QAudioFormat::LittleEndian);
+        format.setSampleType(QAudioFormat::SignedInt);
+        format.setSampleSize(16);
+        format.setCodec(QLatin1String("audio/pcm"));
+    } else {
+        format.setSampleRate(8000);
+        format.setChannelCount(1);
+        format.setSampleType(QAudioFormat::UnSignedInt);
+        format.setSampleSize(8);
+        format.setCodec(QLatin1String("audio/pcm"));
+        if (!isFormatSupported(format)) {
+            format.setChannelCount(2);
+            format.setSampleSize(16);
+            format.setSampleType(QAudioFormat::SignedInt);
+        }
+    }
+    return format;
+}
+
+bool QnxAudioDeviceInfo::isFormatSupported(const QAudioFormat &format) const
+{
+    if (!format.codec().startsWith(QLatin1String("audio/pcm")))
+        return false;
+
+    const int pcmMode = (m_mode == QAudio::AudioOutput) ? SND_PCM_OPEN_PLAYBACK : SND_PCM_OPEN_CAPTURE;
+    snd_pcm_t *handle;
+
+    int card = 0;
+    int device = 0;
+    if (snd_pcm_open_preferred(&handle, &card, &device, pcmMode) < 0)
+        return false;
+
+    snd_pcm_channel_info_t info;
+    memset (&info, 0, sizeof(info));
+    info.channel = (m_mode == QAudio::AudioOutput) ? SND_PCM_CHANNEL_PLAYBACK : SND_PCM_CHANNEL_CAPTURE;
+
+    if (snd_pcm_plugin_info(handle, &info) < 0) {
+        qWarning("QAudioDeviceInfo: couldn't get channel info");
+        snd_pcm_close(handle);
+        return false;
+    }
+
+    snd_pcm_channel_params_t params = QnxAudioUtils::formatToChannelParams(format, m_mode, info.max_fragment_size);
+    const int errorCode = snd_pcm_plugin_params(handle, &params);
+    snd_pcm_close(handle);
+
+    return errorCode == 0;
+}
+
+QString QnxAudioDeviceInfo::deviceName() const
+{
+    return m_name;
+}
+
+QStringList QnxAudioDeviceInfo::supportedCodecs()
+{
+    return QStringList() << QLatin1String("audio/pcm");
+}
+
+QList<int> QnxAudioDeviceInfo::supportedSampleRates()
+{
+    return QList<int>() << 8000 << 11025 << 22050 << 44100 << 48000;
+}
+
+QList<int> QnxAudioDeviceInfo::supportedChannelCounts()
+{
+    return QList<int>() << 1 << 2;
+}
+
+QList<int> QnxAudioDeviceInfo::supportedSampleSizes()
+{
+    return QList<int>() << 8 << 16 << 32;
+}
+
+QList<QAudioFormat::Endian> QnxAudioDeviceInfo::supportedByteOrders()
+{
+    return QList<QAudioFormat::Endian>() << QAudioFormat::LittleEndian << QAudioFormat::BigEndian;
+}
+
+QList<QAudioFormat::SampleType> QnxAudioDeviceInfo::supportedSampleTypes()
+{
+    return QList<QAudioFormat::SampleType>() << QAudioFormat::SignedInt << QAudioFormat::UnSignedInt << QAudioFormat::Float;
+}
+
+QT_END_NAMESPACE