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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 <QtCore/QLoggingCategory>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioOut)
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioIn)
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioEngine)
struct PAOperationDeleter
{
void operator()(pa_operation *op) const { pa_operation_unref(op); }
};
using PAOperationUPtr = std::unique_ptr<pa_operation, PAOperationDeleter>;
namespace QPulseAudioInternal
{
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);
static inline QString stateToQString(pa_stream_state_t state)
{
using namespace Qt::StringLiterals;
switch (state)
{
case PA_STREAM_UNCONNECTED: return "Unconnected"_L1;
case PA_STREAM_CREATING: return "Creating"_L1;
case PA_STREAM_READY: return "Ready"_L1;
case PA_STREAM_FAILED: return "Failed"_L1;
case PA_STREAM_TERMINATED: return "Terminated"_L1;
}
return u"Unknown state: %0"_s.arg(int(state));
}
static inline QString sampleFormatToQString(pa_sample_format format)
{
using namespace Qt::StringLiterals;
switch (format)
{
case PA_SAMPLE_U8: return "Unsigned 8 Bit PCM."_L1;
case PA_SAMPLE_ALAW: return "8 Bit a-Law "_L1;
case PA_SAMPLE_ULAW: return "8 Bit mu-Law"_L1;
case PA_SAMPLE_S16LE: return "Signed 16 Bit PCM, little endian (PC)."_L1;
case PA_SAMPLE_S16BE: return "Signed 16 Bit PCM, big endian."_L1;
case PA_SAMPLE_FLOAT32LE: return "32 Bit IEEE floating point, little endian (PC), range -1.0 to 1.0"_L1;
case PA_SAMPLE_FLOAT32BE: return "32 Bit IEEE floating point, big endian, range -1.0 to 1.0"_L1;
case PA_SAMPLE_S32LE: return "Signed 32 Bit PCM, little endian (PC)."_L1;
case PA_SAMPLE_S32BE: return "Signed 32 Bit PCM, big endian."_L1;
case PA_SAMPLE_S24LE: return "Signed 24 Bit PCM packed, little endian (PC)."_L1;
case PA_SAMPLE_S24BE: return "Signed 24 Bit PCM packed, big endian."_L1;
case PA_SAMPLE_S24_32LE: return "Signed 24 Bit PCM in LSB of 32 Bit words, little endian (PC)."_L1;
case PA_SAMPLE_S24_32BE: return "Signed 24 Bit PCM in LSB of 32 Bit words, big endian."_L1;
case PA_SAMPLE_MAX: return "Upper limit of valid sample types."_L1;
case PA_SAMPLE_INVALID: return "Invalid sample format"_L1;
}
return u"Invalid value: %0"_s.arg(int(format));
}
static inline QString stateToQString(pa_context_state_t state)
{
using namespace Qt::StringLiterals;
switch (state)
{
case PA_CONTEXT_UNCONNECTED: return "Unconnected"_L1;
case PA_CONTEXT_CONNECTING: return "Connecting"_L1;
case PA_CONTEXT_AUTHORIZING: return "Authorizing"_L1;
case PA_CONTEXT_SETTING_NAME: return "Setting Name"_L1;
case PA_CONTEXT_READY: return "Ready"_L1;
case PA_CONTEXT_FAILED: return "Failed"_L1;
case PA_CONTEXT_TERMINATED: return "Terminated"_L1;
}
return u"Unknown state: %0"_s.arg(int(state));
}
}
QT_END_NAMESPACE
#endif
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