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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QPULSEHELPER_H
#define QPULSEHELPER_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 "qaudiodevice.h"
#include <qaudioformat.h>
#include <pulse/pulseaudio.h>
#include <QtMultimedia/private/qsharedhandle_p.h>
#include <QtCore/qdebug.h>
#include <QtCore/qloggingcategory.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioOut)
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioIn)
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioEngine)
namespace QPulseAudioInternal
{
template <typename TypeArg, TypeArg *(*RefFn)(TypeArg *), void (*UnrefFn)(TypeArg *)>
struct PaHandleTraits
{
using Type = TypeArg *;
static constexpr Type invalidValue() noexcept { return nullptr; }
static Type ref(Type handle)
{
Type ret = (*RefFn)(handle);
return ret;
}
static bool unref(Type handle)
{
(*UnrefFn)(handle);
return true;
}
};
using PAOperationHandleTraits = PaHandleTraits<pa_operation, pa_operation_ref, pa_operation_unref>;
using PAContextHandleTraits = PaHandleTraits<pa_context, pa_context_ref, pa_context_unref>;
using PAStreamHandleTraits = PaHandleTraits<pa_stream, pa_stream_ref, pa_stream_unref>;
using PAOperationHandle = QtPrivate::QSharedHandle<PAOperationHandleTraits>;
using PAContextHandle = QtPrivate::QSharedHandle<PAContextHandleTraits>;
using PAStreamHandle = QtPrivate::QSharedHandle<PAStreamHandleTraits>;
struct PAProplistDeleter
{
void operator()(pa_proplist *propList) { pa_proplist_free(propList); }
};
using PAProplistHandle = std::unique_ptr<pa_proplist, PAProplistDeleter>;
struct PaMainLoopDeleter
{
void operator()(pa_threaded_mainloop *m) const { pa_threaded_mainloop_free(m); }
};
pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format);
QAudioFormat sampleSpecToAudioFormat(const pa_sample_spec &spec);
pa_channel_map channelMapForAudioFormat(const QAudioFormat &format);
QAudioFormat::ChannelConfig channelConfigFromMap(const pa_channel_map &map);
QUtf8StringView currentError(const pa_context *);
QUtf8StringView currentError(const pa_stream *);
} // namespace QPulseAudioInternal
QDebug operator<<(QDebug, pa_stream_state_t);
QDebug operator<<(QDebug, pa_sample_format);
QDebug operator<<(QDebug, pa_context_state_t);
QT_END_NAMESPACE
#endif
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