1 files changed, 130 insertions, 0 deletions
diff --git a/src/plugins/qnx/audio/qnxaudioutils.cpp b/src/plugins/qnx/audio/qnxaudioutils.cpp
new file mode 100644
index 000000000..d6400c2b1
--- /dev/null
+++ b/src/plugins/qnx/audio/qnxaudioutils.cpp
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** 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 "qnxaudioutils.h"
+
+QT_BEGIN_NAMESPACE
+
+snd_pcm_channel_params_t QnxAudioUtils::formatToChannelParams(const QAudioFormat &format, QAudio::Mode mode, int fragmentSize)
+{
+    snd_pcm_channel_params_t params;
+    memset(&params, 0, sizeof(params));
+    params.channel = (mode == QAudio::AudioOutput) ? SND_PCM_CHANNEL_PLAYBACK : SND_PCM_CHANNEL_CAPTURE;
+    params.mode = SND_PCM_MODE_BLOCK;
+    params.start_mode = SND_PCM_START_DATA;
+    params.stop_mode = SND_PCM_STOP_ROLLOVER;
+    params.buf.block.frag_size = fragmentSize;
+    params.buf.block.frags_min = 1;
+    params.buf.block.frags_max = 1;
+    strcpy(params.sw_mixer_subchn_name, "QAudio Channel");
+
+    params.format.interleave = 1;
+    params.format.rate = format.sampleRate();
+    params.format.voices = format.channelCount();
+
+    switch (format.sampleSize()) {
+    case 8:
+        switch (format.sampleType()) {
+        case QAudioFormat::SignedInt:
+            params.format.format = SND_PCM_SFMT_S8;
+            break;
+        case QAudioFormat::UnSignedInt:
+            params.format.format = SND_PCM_SFMT_U8;
+            break;
+        default:
+            break;
+        }
+        break;
+
+    case 16:
+        switch (format.sampleType()) {
+        case QAudioFormat::SignedInt:
+            if (format.byteOrder() == QAudioFormat::LittleEndian) {
+                params.format.format = SND_PCM_SFMT_S16_LE;
+            } else {
+                params.format.format = SND_PCM_SFMT_S16_BE;
+            }
+            break;
+        case QAudioFormat::UnSignedInt:
+            if (format.byteOrder() == QAudioFormat::LittleEndian) {
+                params.format.format = SND_PCM_SFMT_U16_LE;
+            } else {
+                params.format.format = SND_PCM_SFMT_U16_BE;
+            }
+            break;
+        default:
+            break;
+        }
+        break;
+
+    case 32:
+        switch (format.sampleType()) {
+        case QAudioFormat::SignedInt:
+            if (format.byteOrder() == QAudioFormat::LittleEndian) {
+                params.format.format = SND_PCM_SFMT_S32_LE;
+            } else {
+                params.format.format = SND_PCM_SFMT_S32_BE;
+            }
+            break;
+        case QAudioFormat::UnSignedInt:
+            if (format.byteOrder() == QAudioFormat::LittleEndian) {
+                params.format.format = SND_PCM_SFMT_U32_LE;
+            } else {
+                params.format.format = SND_PCM_SFMT_U32_BE;
+            }
+            break;
+        case QAudioFormat::Float:
+            if (format.byteOrder() == QAudioFormat::LittleEndian) {
+                params.format.format = SND_PCM_SFMT_FLOAT_LE;
+            } else {
+                params.format.format = SND_PCM_SFMT_FLOAT_BE;
+            }
+            break;
+        default:
+            break;
+        }
+        break;
+    }
+
+    return params;
+}
+
+QT_END_NAMESPACE