1 files changed, 51 insertions, 0 deletions
diff --git a/src/multimedia/qnx/qqnxaudioutils_p.h b/src/multimedia/qnx/qqnxaudioutils_p.h
new file mode 100644
index 000000000..c0d2e5b1c
--- /dev/null
+++ b/src/multimedia/qnx/qqnxaudioutils_p.h
@@ -0,0 +1,51 @@
+// Copyright (C) 2016 Research In Motion
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QNXAUDIOUTILS_H
+#define QNXAUDIOUTILS_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qaudiosystem_p.h"
+
+#include <memory>
+#include <optional>
+
+#include <sys/asoundlib.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QnxAudioUtils
+{
+    snd_pcm_channel_params_t formatToChannelParams(const QAudioFormat &format, QAudioDevice::Mode mode, int fragmentSize);
+
+    struct HandleDeleter
+    {
+        void operator()(snd_pcm_t *h) { if (h) snd_pcm_close(h); }
+    };
+
+    using HandleUniquePtr = std::unique_ptr<snd_pcm_t, HandleDeleter>;
+    HandleUniquePtr openPcmDevice(const QByteArray &id, QAudioDevice::Mode mode);
+
+    std::optional<snd_pcm_channel_info_t> pcmChannelInfo(snd_pcm_t *handle, QAudioDevice::Mode mode);
+    std::optional<snd_pcm_channel_info_t> pcmChannelInfo(const QByteArray &device, QAudioDevice::Mode mode);
+
+    std::optional<snd_pcm_channel_setup_t> pcmChannelSetup(snd_pcm_t *handle, QAudioDevice::Mode mode);
+    std::optional<snd_pcm_channel_setup_t> pcmChannelSetup(const QByteArray &device, QAudioDevice::Mode mode);
+
+    std::optional<snd_pcm_channel_status_t> pcmChannelStatus(snd_pcm_t *handle, QAudioDevice::Mode mode);
+    std::optional<snd_pcm_channel_status_t> pcmChannelStatus(const QByteArray &device, QAudioDevice::Mode mode);
+}
+
+QT_END_NAMESPACE
+
+#endif