qohaudiostream_p.h

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// Copyright (C) 2026 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 QOHAUDIOSTREAM_P_H

#define QOHAUDIOSTREAM_P_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 <QtMultimedia/qaudioformat.h>

#include <QtCore/qloggingcategory.h>

#include <ohaudio/native_audiocapturer.h>

#include <ohaudio/native_audiorenderer.h>

#include <ohaudio/native_audiostream_base.h>

#include <ohaudio/native_audiostreambuilder.h>

QT_BEGIN_NAMESPACE

namespace QtOHAudio {

Q_DECLARE_LOGGING_CATEGORY(qLcOHAudioStream)

struct StreamBuilder;

struct Stream

    explicit Stream(StreamBuilder &builder);

    ~Stream();

    Q_DISABLE_COPY_MOVE(Stream)

    bool start();

    void stop();

    void pause();

    void flush();

    bool isOpen() const;

    bool areStreamParametersRespected() const;

    OH_AudioRenderer *renderer() const noexcept { return m_renderer; }

    OH_AudioCapturer *capturer() const noexcept { return m_capturer; }

private:

    void close();

    OH_AudioStream_Type m_streamType{ AUDIOSTREAM_TYPE_RENDERER };

    OH_AudioRenderer *m_renderer{ nullptr };

    OH_AudioCapturer *m_capturer{ nullptr };

    bool m_areStreamParametersRespected{ false };

};

struct StreamParameterSet

    OH_AudioStream_Type direction{ AUDIOSTREAM_TYPE_RENDERER };

    OH_AudioStream_Usage outputUsage{ AUDIOSTREAM_USAGE_MUSIC };

    OH_AudioStream_SourceType inputSourceType{ AUDIOSTREAM_SOURCE_TYPE_MIC };

    OH_AudioStream_LatencyMode latencyMode{ AUDIOSTREAM_LATENCY_MODE_NORMAL };

};

struct StreamBuilder

    friend Stream;

    explicit StreamBuilder(QAudioFormat format, OH_AudioStream_Type direction);

    ~StreamBuilder();

    Q_DISABLE_COPY_MOVE(StreamBuilder)

    QAudioFormat format;

    OH_AudioRenderer_OnWriteDataCallback writeCallback{ nullptr };

    int32_t (*readCallback)(OH_AudioCapturer *capturer, void *userData, void *buffer,

                            int32_t length){ nullptr };

    void *userData{ nullptr };

    StreamParameterSet params;

    int32_t deviceId{ 0 };

    void setupBuilder();

private:

    OH_AudioStreamBuilder *m_builder{ nullptr };

};

OH_AudioStream_SampleFormat toOHSampleFormat(QAudioFormat::SampleFormat fmt);

QAudioFormat::SampleFormat fromOHSampleFormat(OH_AudioStream_SampleFormat fmt);

QAudioFormat::SampleFormat preferredCompatibleSampleFormat(QAudioFormat::SampleFormat requested);

} // namespace QtOHAudio

QT_END_NAMESPACE

#endif // QOHAUDIOSTREAM_P_H