qpipewire_spa_video_format_support_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 QPIPEWIRE_SPA_VIDEO_FORMAT_SUPPORT_P_H
#define QPIPEWIRE_SPA_VIDEO_FORMAT_SUPPORT_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/private/qtmultimediaglobal_p.h>
#include <QtMultimedia/qcameradevice.h>
#include <QtMultimedia/qvideoframeformat.h>
#include <QtCore/qlist.h>
#include <QtCore/qsize.h>
#include <QtCore/qspan.h>
 
#if __has_include(<spa/param/format.h>)
#  include <spa/param/format.h>
#else
#  include <QtMultimedia/private/qpipewire_spa_compat_p.h>
#endif
#include <spa/pod/pod.h>
 
#include <optional>
#include <variant>
#include <vector>
 
QT_BEGIN_NAMESPACE
 
namespace QtPipeWire {
 
struct SizeRange
{
    QSize preferred;
    QSize min;
    QSize max;
};
 
struct Q_MULTIMEDIA_EXPORT SpaObjectVideoFormat
{
    static std::optional<SpaObjectVideoFormat> parse(const spa_pod *);
 
    const spa_media_subtype mediaSubtype = SPA_MEDIA_SUBTYPE_raw;
 
    std::vector<QVideoFrameFormat::PixelFormat> pixelFormats;
 
    using ResolutionSet = std::variant<std::vector<QSize>, SizeRange>;
    ResolutionSet resolutions;
 
    qreal minFrameRate = 0.;
    qreal maxFrameRate = 0.;
};
 
// Cross product of the pixel formats and resolutions of 'formats'
Q_MULTIMEDIA_EXPORT QList<QCameraFormat> toCameraFormats(QSpan<const SpaObjectVideoFormat>);
 
} // namespace QtPipeWire
 
QT_END_NAMESPACE
 
#endif // QPIPEWIRE_SPA_VIDEO_FORMAT_SUPPORT_P_H